DEFAULT.ASPX FILE:
%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="_Default" %>
<!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 runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
</div>
<asp:Label ID="Label1" runat="server" Text="Enter Your name:"></asp:Label>
<asp:TextBox ID="myfield" runat="server" Height="22px"></asp:TextBox><br />
<asp:Button ID="Button1" runat="server" Text="click me" Width="159px" />
</form>
</body>
</html>
DEFAULT.ASPX.VB FILE:
Partial Class _Default
Inherits System.Web.UI.Page
Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim mystring As String = Request.Form("myfield")
If mystring = "" Then
Response.Write("Please fill in the form field")
Else
Response.Write("thank you [" & (mystring) & "]<br/>")
End If
End Sub
End Class
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