ASP.NET Validation

Validation is pretty essential for a web page with form submission. But even with all the help from Microsoft’s wonderful validation controls, at times some petty details becomes quite annoying problems to solve. This post is to list out some useful resources… Validating ASP.NET Server Controls User Input Validation in ASP.NET ASP.NET Validation … Continued

CheckBox Validation

ASP.NET provides all the wonderful validation controls and perform both client-side and server-side validation. However, to validate a CheckBox, only the Custom Validation Control can be used. Assume you have the following… <span><asp:CheckBox ID=”MyCheckBox” runat=”server” onClick=”if (this.checked) CheckBoxChecked(); else CheckBoxUnchecked();” />Yes, your website is awesome! =) </span> <asp:CustomValidator ID=”MyCheckBoxValidator” runat=”server” ErrorMessage=”Custom Validator” ClientValidationFunction=”ClientValidateMyCheckBox” ValidationGroup=”MyValidationGroup” OnServerValidate=”MyCheckBoxValidator_ServerValidate”>Required.</asp:CustomValidator> … Continued

Random Password Generation

Pretty cool, can be used for many purposes, like generating the decryption and validation machine keys, etc… By Bryan Xu

Select a row on GridView

There are many ways to select a row and perform whatever actions you desire in GridView. The easiest is to let its CommandField generate the select button and use the SelectedIndexChanging and SelectedIndexChanged events for the actions desired. <asp:CommandField ShowSelectButton=”true” /> However, it would be more elegant if you can just select the row. 3 … Continued

Server.HttpEncode vs. HttpUtility.HttpEncode

Just use HttpUtility.Encode because Server.HttpEncode simply calls HttpUtility.Encode. Basically if you are trying to display text back to the user and these text are either straight from database, or from databound objects, or from current page textbox entered by user, etc, use HttpUtility.Encode, mainly to prevent script-injection and handle specials characters such as blanks and … Continued