In the ItemCreated event of the radgrid, I set the SelectedDate as you've shown. I need find all the records for resident 193 in hospital database and see if my selected date of 07/11/2011 is in between any date ranges in the database. * EndHour value must be greater than StartHour, otherwise InvalidDataException will be thrown. Where as, In onCalendarHidden I am simply detaching the click event from month items. The client does not need to make any calls to the server. I have tried using the popupbuttonid and the click event for that button and I have tried the text box textchanged event. You can change the look and feel of Calendar using the Calendar CssClass property. After checking the username and password i m creating a new Session variable and setting the flag kindaa value in it , which is "Yes" in this example, this session value will be checked when ever user go to other pages and if it's null than user in not logged in. Book an appointment and read reviews on Companion Animal Hospital Kenosha, 4415 52nd St, Kenosha, Wisconsin with TopVet. This code won't do it all for you: you've got to build the form and create the controls - I don't do downloads on this server - but it's a good overview of the coding you've got to do to make a date-picker work. thanks a lot it works great. 1) Open VS2008 and create a new website and add new web page. 4 posts published by jazzright during March 2016. We can check this by developer tools, for instance chrome inspector. The following is a simple code to show how to set/highlight the selected date in a Calendar Extender as Today’s Date. How do I databind the date selected in Ajax CalendarExtender? I have a calendarextender inside an updatepanel in my asp. Regards Victor. We use cookies for various purposes including analytics. /// < li >Added up and down arrows (WPF Adorners) that appear when you select a /// field of the date or time, allowing you to change the date or time /// incrementally with the mouse. Here if select any date it will display the selected date in textbox. Ajax Calendar Extender and javascript I'm using ASP. Option #1:. Hotels in find cheap hotels and discounts with hotels reviews by BookingBargains. Note that if you set the Width and Height properties of a Calendar, the actual calendar does not change its size. AjaxControlToolkit contains a rich set of controls that you can use to build highly responsive and interactive AJAX-enabled Web applications. What do I need to do in jQuery to receive an acknowledgement the save on the server side was successful. My preferred way to do this is by using the JavaScript that I wrote below. Also, you can't get the data from the TargetControl textbox unless you change the AllowPostBack property of the textbox to true, which kind of defeats the purpose of using AJAX in the first place. Ajax CalendarExtender Example In Asp. Now if we want to set the textbox to read only mode, we set Readonly = true. But if on PageInit if I have assigned any value, It doesn't retain the value of the date which I select from calendar extender. According to this forum question, read only controls are not posted back to the server. In this example, we'll modify an edit form to add this type of validation to start date and end date fields. So we just say value. Pessoal, Não sei se já aconteceu com algum de vcs, mas estou com o seguinte problema. Ok, I have done this before but for the life of me I can not figure out why this is not working. I want to add add an Ajax CalendarExtender to my page. Changes Allowed on Test Day. Issue Whenever for the ASP. Cant get calendar to show selected date. We should create an application that should prevent the user from selecting such unnecessary dates, this can be done both by client-side validations or through server-side validations. NET server controls, and other third-party controls. I have tried using the popupbuttonid and the click event for that button and I have tried the text box textchanged event. Hi, I'd like to update a date property of a bean with the selected date of the RichFaces4 calendar component. SelectedDate. First I First I change the target FrameWork to. CTRL + ŠIPKA NAHORU CTRL+UP ARROW: Jakýkoli Any: Přepne na další větší DisplayMode. It’s because the CalendarExtender is a server side control, it has to cooperate with the server side. true, false. This text box is used on a Grid View to filter the results in it. About HTML Preprocessors. Here I will explain how to solve “it is not a valid login or you do not have permission to install sql server 2008 r2” problem on windows 8. SelectedDate: Gets or sets the selected date. CalendarExtender. Net -Change date format and show calendar when click on button Introduction : In this article I will explain how to use Ajax Calendar extender control in asp. NET GridView. So, when you do a postback you will lose the value in a read only control. SelectedDate!= null) { // If the string value of the SelectedDate and the TextBox string value are equal, // we do not parse the string again // if we do an extra parse, we lose data in M/d/yy format // ex: SelectedDate = DateTime(1008,12,19) but when "12/19/08" is parsed it is interpreted as DateTime(2008,12,19) string selectedDate. You will probably also want to determine the size of the dialog box based on the number of controls you are going to show - this can also be resolved at runtime. You can react to the selection event immediately, because every user interaction with the calendar triggers a postback. RadDateTimePicker control is a highly configurable component for displaying and selecting date and time values. You will better understand technologies you use, you will know more inner functionalities and whatever changes in component (either design or functionalities), you will have no problems implementing them (instead of using wrapper components, going to another. Change first day of week. Note that it is read-only and cannot be bound in XAML - you can only add Dates to it with code. Another observation is that if I do not initialize any value to this text box, it work perfectly OK and store the date which I select after the page is loaded. I would like to have an Ajax Calendar Extender attached to all text boxes in the Start and End Date Columns but since the table is made dynamically I need to add it in code behind. The SelectionChanged event does not get raised when this property is programmatically set. Net AJAX Control Toolkit CalendarExtender control. ascx file located in. Re:Ajaxtoolkit Calendar Extender close button and date restriction. Setup a private space for you and your coworkers to ask questions and share information. AJAX request is fired but listener is not called. 1213), and it does not have the same bug. 6376 and XLabs 2. In the Xuni 2016 v2 release we included several new input controls such as AutoComplete, MaskedEntry, ComboBox, and DropDown. Another observation is that if I do not initialize any value to this text box, it work perfectly OK and store the date which I select after the page is loaded. Enable DatePicker client side with VBScript Change Logs; Purchase. Since you do not need to enter the position manually this will be easier. It is not the positioning of the calendar that is the problem, it's displaying it in front of other server controls oh sorry. When I pressed the enter key for another textbox, it opens always the calendar popup. You'll require: jQuery (see here how to add it to SharePoint). I was faced with a requirement where I had to display a calendar that is always open. Book an appointment and read reviews on Companion Animal Hospital Kenosha, 4415 52nd St, Kenosha, Wisconsin with TopVet. no time is shown: But you could use a converter that returns a string instead of the StringFormat:. How do I make a postback when date is selected from calendar inside gridview but the below code does not trigger text box changed event. How to Set DD/MM/YYYY Date Format ASP. To achieve the filter change: Handle the filterMenuInit event and conditionally apply custom logic to modify the filter so that it looks for dates, selected from the DatePicker, between the start and the end of day. Unlike the standard Calendar control, the CalendarExtender in the AJAX Control Toolkit does not provide a SelectedDate property to access. You will better understand technologies you use, you will know more inner functionalities and whatever changes in component (either design or functionalities), you will have no problems implementing them (instead of using wrapper components, going to another. It has a CalendarExtender, I notice that when it is initially popped up it is blank appart from the left/right arrow. You will probably also want to determine the size of the dialog box based on the number of controls you are going to show - this can also be resolved at runtime. On the text property: Text(DateTimeValue(Parent. You can change this preference by setting the DropDownDirection property. A support incident to track the status of this defect has been created under your account. Pressing an arrow and the month appears OK and from then on it's OK. how to use the date selection change event of CalendarExtender? Basically i wanted to create a calendar with watermark on the textbox. But my equirement is the selected date should split in to day, month,year and display in drop downs. BelowOrAbove – tries to open the drop-down below the header. NET AJAX control that is generally used with TextBox control. The Prepare method is called each time the control is about to be shown (when the user clicks the funnel in the header cell). It's not possible to format that kind of string into moment because a lone 3 does not designate the timezone offset in any standard format. If your CssClass does not provide values for any of those then it falls back to the default value. The user can then set a date by clicking on a day, navigate months by clicking on the left and right arrow and perform. SelectedDate Indicates the date the Calendar extender is initialized with. Microsoft does not control these sites and has not tested any software or information found on these sites; therefore, Microsoft cannot make any representations regarding the quality, safety, or suitability of any software or information found there. I need to know how to do 2 things: 1. I have used ajax CalendarExtender in my web site but after uploading it does how show the calander control. So they click a button which sets the Focus to a DatePicker: with the event: Now the DatePicker's current date is set to today. While the date picker control is a very useful form component, it is not always the best way to get date value from the user. The date selected on the CalendarDatePicker. Insert the below JavaScript into your page. The changes you make to the DatePicker are sent to the selected ListBox item. selectedDate. Ajax CalendarExtender Example In Asp. Create a new Web Site project. Although the initilization is done only if its not a postback. Item 238 - The CalendarExtender EndDate property is not in effect in Internet Explorer 8 Item 287 - The CalendarExtender displays incorrect selectable dates for the start/end range Item 299 - CalendarExtender shows NaN when the year is earlier than 100 in IE. NET TextBox control. set_selectedDate NOT sender. However, my problem is that if the user changes his mind, and re-selects the default selection, the SelectedIndexChanged event does not fire (it does not post back). ToDateTime(getyear[0]); } yet the date on the calendar does not change. CssClass does not provide values for any of those then it falls back to the default: value. Using jQuery Datepicker. When the user clicks on the TextBox, a client-side Calendar control pops up. I also tried setting the DateInput. SelectedDate = DateTime. Text in that format will ' not be converted to the correct date value by Excel. Now I have another textbox, txtEndDate, which should automatically change whent the user changes the value in txtStartDate. 0 or MOSS then by default the calendar only shows 3 events per day before you have to click on the expand arrows, you can however change this number by modifying a section of the DefaultTemplates. 0 and above. However, my initial thought was to use it inside a CellTemplate of a DataGrid. Does anyone know how to get XLabs CalendarView. The fourth control makes sure we do not enter a date that is before today. I can only traverse only through months. The JSF code is: I expected by usage of "value", the corresponding Bean gets updat. CalendarExtender. It is highly customizable and it even allows to edit date's milliseconds. Limit by product This button does not work with screen readers. It is not the positioning of the calendar that is the problem, it's displaying it in front of other server controls oh sorry. The second. How do I databind the date selected in Ajax CalendarExtender? I have a calendarextender inside an updatepanel in my asp. eesur / README. How do I handle click events on buttons that are created in the code behind? I'm not sure if this is the correct place to ask this question. Now I have another textbox, txtEndDate, which should automatically change whent the user changes the value in txtStartDate. See Chapter 11 for a discussion of validation. Calender control Iam using calender control in my application. Your code does not show where "selectedDate" variable is coming from or being set. END END: Decade: Zmienia roku DisplayDate do ostatniego roku dekadę. NET AJAX control that is associated with a TextBox control. So why not make this relaxed lifestyle a permanent change, by becoming a lodge owner?. Net Nested Grid View Example And Ajax PopUp & Calendar Extender Posted on December 25, 2012 | Leave a comment Nested Grid View is useful to show parent child relationship table. When the user clicks on the TextBox, a client-side Calendar control pops up. You will need to not make the control read only. People use that attribute too freely (I think there's some obsolete documentation that makes them think they need to do so when they don't). Limit by product This button does not work with screen readers. SelectedDate!= null) { // If the string value of the SelectedDate and the TextBox string value are equal, // we do not parse the string again // if we do an extra parse, we lose data in M/d/yy format // ex: SelectedDate = DateTime(1008,12,19) but when "12/19/08" is parsed it is interpreted as DateTime(2008,12,19) string selectedDate. The following loop inserts the days of the week into the table as bold text:. Notices of open meeting on Rules, proposed Rules changes, and Rules Orders. However I had to do quite a few workarounds. is it client side or server side control The only controls that post back are buttons and other inputs where you set AutoPostback="True. The editor itself shows the correct value, however when you hit the combobox button, the calendar that pops up does not display the correct calendar. In the Xuni 2016 v2 release we included several new input controls such as AutoComplete, MaskedEntry, ComboBox, and DropDown. Can anybody help me to disable past dates from calender extender by comparing with current date?. C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\TEMPLATE\CONTROLTEMPLATES. but never found solution…. OnSelect datepicker not working. Indicates whether text within a multiline text box should wrap. If it is in between any of the date ranges I need it to output that the resident was in the hostpital. In this article, we will try to fill the state dropdown on selection change of country and then fill the city dropdown on change of state dropdown. I am trying to make a calendar widget where one date can be selected, I can set the selected date with hardcode but I want to be able to change the selected date from the inner Widget (DayWidget). SelectedDate: 指定日历的初始化日期。 这里演示一下CalendarExtender 步骤: 1、拖放ScriptManager (ScriptManager标签需要放在具有runat="server" 的标签下) 2、拖放TextBox 3、拖放CalendarExtender 4、设置CalendarExtender的属性TargetControlID等于TextBox的ID. To adapt the calendar to every need it is possible to use the props renderDay( props, currentDate, selectedDate ), renderMonth( props, month, year, selectedDate ) and renderYear( props, year, selectedDate ) of react-datetime. So you get day of the week automatically. The choice to explore unspoilt beaches and fishing hamlets, or hike deserted moorlands and stunning countryside. Hotels in find cheap hotels and discounts with hotels reviews by BookingBargains. Get Started Download. 1 All of our Java objects used to use java. However, my problem is that if the user changes his mind, and re-selects the default selection, the SelectedIndexChanged event does not fire (it does not post back). If I have the focus in the datepicker control, and then I click on a different item in the grid, that item instantly takes the current value of the datepicker as it's date. When the page is loaded I assign the current date to the calendar and it updates to the textbox. i need to catch the DateChange event in the server side so i can populate a DropDownList with items from my DB according to the selected dat. The SelectedDate does not change. When user clicks in Textbox, Calendar control Pops up. I just went back and tested the same behavior on a website using an older version of the AJAX Control Toolkit (4. Tip 6: How to make sure user does not select a date earlier than today or greater than today There could be instances where you do not want the user to select a day earlier than the current date. but date is not populated. Where as, In onCalendarHidden I am simply detaching the click event from month items. Although the initilization is done only if its not a postback. You'll require: jQuery (see here how to add it to SharePoint). In this example, we'll modify an edit form to add this type of validation to start date and end date fields. It provides client-side date-picking functionality with a customizable date format and UI in a popup control. Once you add the OnClientDateSelectionChanged property and the date is selected, the JavaScript checkDate is executed. 0 or MOSS then by default the calendar only shows 3 events per day before you have to click on the expand arrows, you can however change this number by modifying a section of the DefaultTemplates. This leads to no changes in the bound ViewModel property. CssClass does not provide values for any of those then it falls back to the default: value. I want to add add an Ajax CalendarExtender to my page. time to get the number of seconds after 1970 for the returnDate, but we have to say departure. The content posted here is free for public and is the content of its poster. my question is the required field validator is a server side control. Please let me know what need to do to make it work at server. In this article, we will try to fill the state dropdown on selection change of country and then fill the city dropdown on change of state dropdown. At first, this didn't work quite right, but I changed it to check the DateField. NET AJAX CalendarExtender, then here's how to do it using CSS. There is many solutions for the mentioned problem ,Assume that you are using the FormView to edit/add northwind order object. The other thing that I'm trying to do is that when the date is changed (either via calendarextender or the textbox text changing) I need to update another control, actually I have to take the date add X years to it (according to some database configuration - which is dependant on other controls the user has entered) and update the another. Here's the best you can do, provided that you can set the start time/end time for a Site, but this will affect all the calendars within it and consequently all the days. The user can then set a date by clicking on a day, navigate months by clicking on the left and right arrow and perform. selectedDate to a new Date(). It provides client-side date-picking functionality with a customizable date format and UI in a popup control. About HTML Preprocessors. When you add or remove the cookies button, the change will be shown only in the next time that you'll open a new window of Internet Explorer. Can anybody help me to disable past dates from calender extender by comparing with current date?. Nested Grid View is useful to show parent child relationship table. but never found solution…. Please use the previous link instead. When I started using the calendarextender, the new date does appear in th. SelectedDate = DateTime. To customize the same the user would have to set the CssClass property to the name of the CSS style and define the styles for the individual classes so that the various elements in a Calendar control can be styled accordingly. Enjoy a fantastic peaceful setting and sea views from many caravans Choose from 2 or 3 bedroom layouts Extra wide models are available for additional space Sleep up to 8 in our larger caravans Pet friendly accommodation options available. You can allow users to select entire weeks or months, or you can render the control as a static calendar that does not allow selection. 26, 09 Clicking on a date changes the focus, but does not change the SelectedDate. The selected date is not actually highlighted until I physically click on a date in the CalendarView. Select a topic. NET AJAX control that is associated with a TextBox control. If your CssClass does not provide values for any of those then it falls back to the default value. Formatting the date with the CalendarExtender. As it stands the class does not do anything other than display itself. Tip 3: Enable Year Navigation in CalendarExtender. task is not in the current month then I have to navigate to the correct month of the task to see the highlighted date. 26, 09 Clicking on a date changes the focus, but does not change the SelectedDate. Although binding to a data source is not supported for the Calendar control, you can modify the content and formatting of the individual date cells. datepicker_open'). You don't have to do anything complicated to get the select radiobutton value into your bean. But when I put breakpoint into validation rule, it never goes there even if I change the Date. Note that if you set the Width and Height properties of a Calendar, the actual calendar does not change its size. jQuery Forum. selectedDate, Flash Builder will not automatically give you the toDateString() code hinting. SelectedDate,"[$-en-US]dd/mm/yyyy"). I can help you getting your projects done. The Date Picker Does Not Show When There Is An Inputmask I was fumbling around for a bit of time trying to figure out why the Date Picker would show on some date/time controls when they had the focus but not on others. now the problem is that it is not showing all the dates,dates after 20 is not visible. But if on PageInit if I have assigned any value, It doesn't retain the value of the date which I select from calendar extender. Both the SelectedDate property and the SelectedDates collection are updated before the SelectionChanged event is raised. 7/11/2010 08:10:10. I must be missing something here. It does not work when I have a popup button in my calendar so is there a way to manually remove watermark when date selection changed?Alvin ShihSoftware DeveloperMCP MCTS MCPD Hi,We know that TextBoxWatermark. The SelectedDate does not change. In this article I will explain a very common issue faced while using the ASP. I have two calendar controls where format is set to "d-M-yyyy". Tip 6: How to make sure user does not select a date earlier than today or greater than today There could be instances where you do not want the user to select a day earlier than the current date. Disable dates in Ajax CalendarExtender Ajax CalendarExtendar: I found many questions on different sites regarding date range selection in Ajax CalendarExtender, while it is quite simple to bound the range to select from, you can allow all the dates, disable past dates, disable date greater than current date, date should be greater than current. It has a default style which is embedded as a WebResource and is a part of the Toolkit assembly that has styles set for all the sub-classes. SelectedDate = Convert. Below is the code to get started with CalendarExtender:. Everything you need to know to adopt SwiftUI. This code won't do it all for you: you've got to build the form and create the controls - I don't do downloads on this server - but it's a good overview of the coding you've got to do to make a date-picker work. SelectedDate="09/06/2016" StartDate Indicates start date for range that available for selection. It’s very convenience I think, But a lot of people says you will encounter some trouble with that. Shouldn't the calendar control change to the correct month and highlight the selected date before rendering the control? If not then does anyone have any idea how I can ensure that the calendar control is. I don't know why - do you have the. As a result, controls that need to be disabled remain enabled. It's a bit of a throwback but it is easy to understand since it uses the old model of the web. CssClass does not provide values for any of those then it falls back to the default: value. This means that the only way to do this is to create as many controls as you may need and keep them hidden unless required at runtime. This can only be raised when focus is taken off the textbox, and since focus was put on it, the text has changed. According to this forum question, read only controls are not posted back to the server. SelectedDayStyle. So you get day of the week automatically. Launch PowerApps. Each day can be as active or as calm as you choose, and whatever you do you’ll always have the easy comforts of your lodge to return to. Opening a datepicker view with the click event button in a toolbar item the last thing i did not tried was changing the windows phone sdk picker class and change. Everything you need to know to adopt SwiftUI. Visit our Procurement site. That's a good way to do it, but in this example I'm going to provide a transition path, so you could take an existing web page and just change the input form, but leave everything else the same. In fact, you're already too complicated. td( day ) Customize the way that the days are shown in the day picker. how to use the date selection change event of CalendarExtender? Basically i wanted to create a calendar with watermark on the textbox. Unlike the standard Calendar control, the CalendarExtender in the AJAX Control Toolkit does not provide a SelectedDate property to access. Disable dates in Ajax CalendarExtender Ajax CalendarExtendar: I found many questions on different sites regarding date range selection in Ajax CalendarExtender, while it is quite simple to bound the range to select from, you can allow all the dates, disable past dates, disable date greater than current date, date should be greater than current. Since I am new to WPF, it would be appreciable if any suggestions or guidance are available here. net ( required field, range validator and others). I can help you getting your projects done. In fact, you're already too complicated. ascx file located in. Yes, it does take more time in the beginning, but further down the road, it saves time. The value is not case-sensitive. I have a small standalone development project and am designing a form page in it. According to this forum question, read only controls are not posted back to the server. If I have the focus in the datepicker control, and then I click on a different item in the grid, that item instantly takes the current value of the datepicker as it's date. Download source code for Ajax CalendarExtender The easiest way for end users is to select a. Below is the code to do it, get ready copy pastas. NET In this article I'm going to explain how to use Ajax Calendar Extender control in asp. The user checks whatever checkboxes they wish to and hits submit. But this worked for me when I had the same problem to display a date field with the right format. This code won't do it all for you: you've got to build the form and create the controls - I don't do downloads on this server - but it's a good overview of the coding you've got to do to make a date-picker work. The CalendarExtender is a great toolkit in the Ajax. OK, I Understand. We have all these validation controls in asp. CssClass does not provide values for any of those then it falls back to the default: value. The first, a CompareValidator to check if the user does not enter an invalid date (Eg: May 32) and second, a RangeValidator to keep the date range as desired. The JSF code is: I expected by usage of "value", the corresponding Bean gets updat. Changes the year of the DisplayDate to the last year of the decade. It's a bit of a throwback but it is easy to understand since it uses the old model of the web. Or tap the date to change the date and time. Now alter the date in the textbox manually. See all demo apps and kitchen sink demos here. It is possible to customize the way that the datetime picker display the days, months and years in the calendar. You will probably also want to determine the size of the dialog box based on the number of controls you are going to show - this can also be resolved at runtime. My guess is that you're trying to convert a string to a SQL Date type and not including the #. net – C# November 30, 2009 pankajlalwani Leave a comment Go to comments Lets say we have a textbox control and calendar extender associated with it. 0 web usercontrol. If your CssClass does not provide values for any of those then it falls back to the default value. Now I want to find out of the selected date was a weekend day or weekday date. The selected date will always be a. The second. The last thing you need to do is to update the "defaultDate" variable when the user selects a new date in the picker's calendar (so that the variable reflects what the date picker is showing, and incrementing / decrementing the date will produce the correct result):. SelectedDate: 指定日历的初始化日期。 这里演示一下CalendarExtender 步骤: 1、拖放ScriptManager (ScriptManager标签需要放在具有runat="server" 的标签下) 2、拖放TextBox 3、拖放CalendarExtender 4、设置CalendarExtender的属性TargetControlID等于TextBox的ID. In my website their is a textbox for adding birth date I m using the ajax calendar for selecting date I want dat the user who enters the date shld be above 16yrs old means i want dat the date should be minus from the current date and should be calculated as 16yrs or above it for example:- user 'A' selects a date 5th may 2005 and the current date is 28th march 2013 (which means that. As an example, i would like to add a contextmenu for copy/paste appointment. It provides client-side date-picking functionality with a customizable date format and UI in a popup control. Selection and related events will not be working in this blocks. This text box is used on a Grid View to filter the results in it. Here if select any date it will display the selected date in textbox. 0 or MOSS then by default the calendar only shows 3 events per day before you have to click on the expand arrows, you can however change this number by modifying a section of the DefaultTemplates. Wrapping Up Today we added some more functionality to our sample project and extended the MVVM architecture we built in the first two articles. I wanted to understand how Blog archive webpart is structured. I'm available for new work Hire Me. AjaxControlToolkit CalendarExtender not working after publish. It’s very convenience I think, But a lot of people says you will encounter some trouble with that. Microsoft is providing this information as a convenience to you. Re: Select Intersection of Column and Row Again thanks for the advice. this calendar control provide us a customizable date format and user interface. SelectedDate="09/06/2016" StartDate Indicates start date for range that available for selection. I have 2 ASPxDateEdit controls. Microsoft does not control these sites and has not tested any software or information found on these sites; therefore, Microsoft cannot make any representations regarding the quality, safety, or suitability of any software or information found there. Adding a range that includes some dates that are already selected oroverlaps with another range results in the union of the ranges and does notcause an exception. You will better understand technologies you use, you will know more inner functionalities and whatever changes in component (either design or functionalities), you will have no problems implementing them (instead of using wrapper components, going to another. Can anyone help me in order to get this working wherein if a date is changed than both js on client side and onchange server side event should work. Select a topic. To customize the same the user would have to set the CssClass property to the name of the CSS style and define the styles for the individual classes so that the various elements in a Calendar control can be styled accordingly. Setting SelectedDate will still clear SelectedDates, but additional dates or range can then beadded. One option would be to use jQuery to force a postback whenever text is changed in the textbox. Hi all, try this example to Validate Age when Birth Date is selected in ASP. We have checked the query with " SelectedDate property in the ViewModel does not change at all" and working fine in Android and iOS platform and we are able to relproduce the issue in UWP alone. kindly help me to overcome from this problem. Also, you can't get the data from the TargetControl textbox unless you change the AllowPostBack property of the textbox to true, which kind of defeats the purpose of using AJAX in the first place. Accommodation at Crantock Beach Holiday Park.