protected void Button1_Click(object sender, EventArgs e)
{
C_DAL obj = new C_DAL();
int id = Convert.ToInt32(TextBox1.Text);
List <C_BO> lst = new List <C_BO>();
lst = obj.ViewCustomerbyid(id);
GridView1.DataSource = lst;
if (lst.Count() == 0)
{
Response.Write("<script>alert('Customer Id doesnt exist')</script>");
Label2.Text = "This id doesn't exist";
}
GridView1.DataBind();
}
