I'm facing a small problem and it would be great if someone can help me. Im having some textbox and requred field validator for each of these textboxes.

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ASP.NET

I'm facing a small problem and it would be great if someone can help me. Im having some textbox and requred field validator for each of these textboxes. I also have two buttons, one is a "login" button and the other is a "signup" button. In the click event of the signup button I have a Response.Redirect(Default5.aspx); for register Now my problem is that when I click the signup button the requred field validator's are getting activated. I need to activate them only when the "login" button is clicked


this is my code...

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Configuration;
using System.Data;

public partial class Default2 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
       
    }

    protected void btnlogin_Click(object sender, EventArgs e)
    {
        SqlConnection con = new SqlConnection("Data Source=...........;Initial Catalog=EmployeeDB;Integrated Security=True");
        con.Open();
        SqlCommand cmd = new SqlCommand("select * from information where Username=@Username and Password=@Password", con);
        cmd.Parameters.AddWithValue("@Username", TextBox1.Text);
        cmd.Parameters.AddWithValue("@Password", TextBox2.Text);
        SqlDataAdapter ad = new SqlDataAdapter(cmd);
        DataTable dt = new DataTable();
        ad.Fill(dt);
      
        if (dt.Rows.Count > 0)
        {           
                Session["Username"] = TextBox1.Text;

                Response.Redirect("Default3.aspx");            
        }

        else
        {
            Label3.Visible = true;
            Label3.Text = "Invalid Username&Password....!!!";
        }           
    }
   
    protected void Button1_Click(object sender, EventArgs e)
    {
        Response.Redirect("Default5.aspx");
    }   
}