check ispostback

protected void Page_Load(object sender, EventArgs e)

{

string EmpID = (string)Request.QueryString["empid"];

if (!Page.IsPostBack)

{

txtEmpName.ReadOnly = true;

txtMySiteURL.ReadOnly = true;

txtRO.ReadOnly = true;

txtEMail.ReadOnly = true;

FileUpload1.Enabled = false;

btnUpdate2.Enabled = false;

SetValue(EmpID);

}

}

private void SetValue(string EmpID)

{

//EmpID = (string)Request.QueryString["empid"];

string constr = ConfigurationManager.ConnectionStrings["ConStr"].ToString();

SqlConnection con = new SqlConnection(constr);

con.Open();

SqlCommand cmd = new SqlCommand("Usp_SetEmpById", con);

cmd.CommandType = CommandType.StoredProcedure;

cmd.Parameters.AddWithValue("@empid", Convert.ToInt32(EmpID));

SqlDataReader sdr = cmd.ExecuteReader();

while (sdr.Read())

{

txtEmpName.Text = sdr["EmpName"].ToString();

txtMySiteURL.Text = sdr["MySiteURL"].ToString();

txtRO.Text = sdr["ReportingOfficer"].ToString();

txtEMail.Text = sdr["EMail"].ToString();

}

con.Close();

}