Page_Load Is Called Twice
TODO:You have an Application Page, or regular ASPX page, .Net 3.5 and you notice that each Postback is happening twice, for no apparent reason. SOLUTION:If you have an IMG SRC="" tag, or a placeholder...
View ArticleCauses And Fixes For "Error: Sys.ArgumentNullException: Value cannot be...
TODO:You make some changes the ASP.net controls on your form, and possible your JQuery. You run your application and you end up with "Error: Sys.ArgumentNullException: Value cannot be null."...
View ArticleHow To Cancel And Remove Certain Files When Using Telerik RadAsyncUpload
TODO:Have you ever wanted to remove certain files, when using RadAsyncUpload control in multi select mode? The problem is, you calling cancelUpload in the Uploading event cancels all uploads. That is...
View ArticleHow To Add A Custom Filter To A RadEditor That Is An EditItem Of A RadGrid
TODO:Have you ever wanted to add a custom filter to a RadEditor that is a EditItemTemplate in a RadGrid that lives in a RadAjaxPanel? To get this accomplished, some out of the ordinary things need to...
View ArticleHow To Add An Image To The Header Text Of a RadGrid Column
TODO:Have you ever wanted to add an image to the Header Text of a Telerik RadGrid? SOLUTION:/// <summary> /// Add Header Image /// </summary> /// <param...
View ArticleHow To Remove An Image From The Header Text Of A RadGrid Column
TODO:Have you ever wanted to remove an image from the Header Text of a Telerik RadGrid? SOLUTION:/// <summary> /// Add Header Image /// </summary> /// <param...
View ArticleHow To Configure Log4Net In A C# Application
TODO:Have you ever wanted to use log4net in your C# application? SOLUTION:To do so, you need to do 2 things: Step 1: Add the following entry to the bottom of your AssemblyInfo.cs file[assembly:...
View ArticleHow To Display A Confirmation Dialog And Cancel The Postback When Using A...
TODO:You are using a Telerik RadButton, and you want to display a Confirm Dialog, and capture the user pressing cancel, thus canceling the Postback. SOLUTION: <!-- Define button, and put method...
View ArticleHow To Disable Edit Of A Particular RadGrid Cell And Hide The Edit Control
TODO:Have you ever wanted to remove a TextBox or other Control from a particular cell in a RadGrid? This is particularly useful when you want to conditionally allow edits based on certain data in the...
View ArticleTelerik RadGrid GridEditCommandColumn Only Shows Text Rather Than Default Image
TODO:You have a RadGrid and the edit column does not show the edit button, only the "edit" text SOLUTION:In my case the following was in my web.config,<add key="Telerik.EnableEmbeddedSkins"...
View ArticleHow To Get The Week Of The Year By Using A Custom First Day Of The Week Value
TODO:Have you ever wanted to get the week of the year by using a a custom first day of the week? SOLUTION:var weekOfYear = CultureInfo.CurrentCulture.Calendar.GetWeekOfYear( DateTime.Now,...
View ArticleHow To Fix Empty ContentEditable Not Allowing Click
TODO:Have you ever had an empty content editable element, which means the only way to get focus to it was to tab to it? SOLUTION:Enclose your element in a <div class="editableCell">. Then track...
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