RequiredFieldValidator validation Controls
Page layout:
<div> Errormessage= "User name cannot be empty! "></asp:RequiredFieldValidator> <br/> <asp:button id=" Button1 "runat=" Server "text=" Login "></asp:Button> CompareValidator validation Controls Page layout:
<div>
RangeValidator controls
Page layout:
<div>
RegularExpressionValidator controls
Page layout:
<div>
CustomValidator controls
Page layout:
<div> Background code:
Custom validation function private bool ispassed (string userName, string password) { if (UserName = = "Zhouzhou" && Password = = "123456") return true; else return false; } protected void CustomValidator1_ServerValidate (object source, ServerValidateEventArgs args) { if (ispassed ( This. TextBox5.Text.ToString (), this. TextBox6.Text.ToString ()))//Call the Custom function args. IsValid = true;//by validating else args. IsValid = false;//failed Validation }
Original link:
http://blog.csdn.net/spilledlight/article/details/48730647
Asp. NET validation Control two