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Checkboxlist Validation In Asp.net C#


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keep it up Asif Aziz Very nice explanation of Ajax. The CheckBoxlist data is already databound in the page_load event. I haven't run into very many issues doing it this way. Using JavaScript with ASP.Net CheckBoxList Control Here Mudassar Ahmed Khan has explained the concept of using JavaScript with ASP.Net CheckBoxList Control Save and Repopulate Users selections from Database using ASP.Net CheckBoxList https://briancaos.wordpress.com/2012/08/16/validate-aspcheckboxlist-with-aspcustomvalidator/

Checkboxlist Validation In Asp.net C#

Follow @ASPSnippets Follow @ASPSnippets Name Required Email Required Invalid Email Address Comment Required Security code: Required Invalid security code. You are looking at the most recent posts. For the Custom Validator I have set the ClientValidationFunction property using which it will call the JavaScript function ValidateCheckBoxList discussed later. By simply adding this control, the developer can then quickly determine whether or not the user has entered a meaningful entry into the TextBox Web control by simply checking the Page.IsValid

Web Sites: Disneyland vs Disney World in the United States what does it mean by "used to" in the context below? Using the Custom Web Control Now that you have the DLL, to use the Web control you need to copy it to the Web application's /bin directory (if you're using VS.NET Share this:FacebookTwitterMoreRedditEmailPrintLike this:Like Loading... Checkboxlist Validation In Jquery Browse other questions tagged asp.net checkbox customvalidator or ask your own question.

Happy coding. I agree to the above terms. While this may sound like quite a chore, it is really quite simple since new custom controls can extend the functionality of existing controls. http://stackoverflow.com/questions/5462795/custom-validator-for-checkbox-in-asp-net Just declare this class: [ValidationPropertyAttribute("ValidateableProperty")] class ValidateableCheckBoxList : CheckBoxList { public string ValidateableProperty { get { return (this.Items.Cast().Where(i => i.Selected).Count() > 0) ? "something was selected" : ""; } } }

There are clearly times when we'd like to ensure that the user has selected at least one checkbox from the checkbox list. Asp.net Custom Validator Once there, enter the following command: csc /t:library /r:System.Web.dll filename.cs This will create a DLL file named filename.dll in the same directory as the source file. protected override void OnPreRender(EventArgs e) { base.OnPreRender(e); if (EnableClientScript) { ClientScript(); } } private void ClientScript() { StringBuilder sb_Script = new StringBuilder(); sb_Script.Append("