C#

I get a blank page when I click submit, or in the textboxes.

<!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>
        <title>Paycheck</title>
  </head>
<body>
    <script runat="server" >
         function Text1_onclick() {
         }
        function Text2_onclick() {

         }
        void Submit1_onclick(object sender, EventArgs e) {
             if (Text1.Value.Length < 1)
             {
                Response.Write("Please Enter a value in Hours Field ");
              }
            else if(Text2.Value.Length < 1)
             {
                MessageBox.Show("Please Enter a value in Pay Rate Field");
              }
            else
             {
                double hours = Convert.ToDouble(textBox1.Text);
                double rate = Convert.ToDouble(textBox2.Text);
                MessageBox.Show(string.Format("Your Gross Pay is $ {0}" ,hours - 40 * rate * 1.5));
             }
       </script>
    <form action="Default.aspx" method="post">
    <p>Enter Hours Worked:<input id="Text1" type="text" onclick="return Text1_onclick()" /></p>
    <p>Enter Pay Rate:<input id="Text2" type="text" onclick="return Text2_onclick()" /></p>
    <p><input id="Submit1" type="submit" value="submit" onServerClick="Submit1_onclick" /></p>
    </form>
</body>

</html>
assaultkittyAsked:
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Tom BeckCommented:
A couple of possibilities.

MessageBox.Show() will not work on an asp.net web form without a using System.Windows.Forms statement. Even then I think it only works in a development environment.

You can try Response.Write or RegisterClientScriptBlock like this.

                string error = "Please Enter a value in Hours Field ";
                string script = "alert(\"" + error + "\");";
                ClientScript.RegisterClientScriptBlock(this.GetType(), "myScript", script , true);

Also, textBox1 and textBox2 do not exist on the page. You meant Text1, Text2 and it would be Value, not Text for the property.

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C#

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