Mega Code Archive

 
Categories / ASP.Net Tutorial / Validation
 

Check birthday

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs"  Inherits="Login" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server">     <title>Simple Login Page</title> </head> <body>     <form id="form1" runat="server">     <div>                    Username:<br />           <asp:TextBox id="usernameTextBox" runat="server" />           <asp:RequiredFieldValidator id="usernameReq"               runat="server"               ControlToValidate="usernameTextBox"               ErrorMessage="Username is required!"               SetFocusOnError="True" />                    Password and Confirmation:<br />           <asp:TextBox id="passwordTextBox"                runat="server"               TextMode="Password" />           <asp:RequiredFieldValidator id="passwordReq"               runat="server"               ControlToValidate="passwordTextBox"               ErrorMessage="Password is required!"               SetFocusOnError="True"                Display="Dynamic" />           <asp:TextBox id="confirmPasswordTextBox" runat="server"               TextMode="Password" />           <asp:RequiredFieldValidator id="confirmPasswordReq"               runat="server" ControlToValidate="confirmPasswordTextBox"               ErrorMessage="Password confirmation is required!"               SetFocusOnError="True" Display="Dynamic" />           <asp:CompareValidator id="comparePasswords" runat="server"               ControlToCompare="passwordTextBox"               ControlToValidate="confirmPasswordTextBox"               ErrorMessage="Your passwords do not match up!"               Display="Dynamic" />                    Birth Date:<br />           <asp:TextBox id="birthDateTextBox" runat="server" />           <asp:CompareValidator id="birthDateCheck" runat="server"               Operator="DataTypeCheck" Type="Date"               ControlToValidate="birthDateTextBox"                ErrorMessage="You must enter the date in a valid format!"               SetFocusOnError="True"                Display="Dynamic" />                    <asp:Button id="submitButton" runat="server"               Text="Submit" OnClick="submitButton_Click" />              </div>     </form> </body> </html> File: Default.aspx.cs using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; public partial class Login : System.Web.UI.Page {     protected void submitButton_Click(object sender, EventArgs e)     {         if (Page.IsValid)         {             submitButton.Text = "Valid";         }         else         {             submitButton.Text = "Invalid!";         }     } }