Sending data to Form for Editing But It Always send the First Record

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C#

When i click on the record to update it. its always send the first record to the form if i click the edit button with the last record it also send the first record to form for editing

protected void GView_RowEditing(object sender, GridViewEditEventArgs e)
       {
           Form_Enable();
 
           GView.EditIndex = e.NewEditIndex;
           string conStr = ConfigurationManager.ConnectionStrings["CStringCRM"].ToString();
           using (SqlConnection conn = new SqlConnection(conStr))
 

           using (SqlCommand cmd = new SqlCommand(@"SELECT * FROM UserInfo WHERE UID = UID", conn))
           {
               conn.Open();
               using (SqlDataReader dr = cmd.ExecuteReader(CommandBehavior.CloseConnection))
               {
                   if (dr.Read())
                   {
                       txtUID.Text = Convert.ToString(dr["UID"]);
                       txtFName.Text = Convert.ToString(dr["UFName"]); txtMName.Text = Convert.ToString(dr["UMName"]);
                       txtLName.Text = Convert.ToString(dr["ULName"]); txtUNic.Text = Convert.ToString(dr["UNic"]);
                       txtUDob.Text = Convert.ToString(dr["UDOB"]); txtUHPhone.Text = Convert.ToString(dr["UHPhone"]);
                       txtUCNumber.Text = Convert.ToString(dr["UCPhone"]); txtUEmail.Text = Convert.ToString(dr["UEmail"]);
                       ddlUState.Text = Convert.ToString(dr["UState"]);
                       txtUCity.Text = Convert.ToString(dr["UCity"]);
                       txtUAddress.Text = Convert.ToString(dr["UAddress"]);
                       // txtUComName.Enabled = true; txtUDesignation.Enabled = true; txtWPhone.Enabled = true; txtFaxNumber.Enabled = true; txtBCity.Enabled = true; txtCAddress.Enabled = true;
                       // txtECName.Enabled = true; txtECMNumber.Enabled = true; txtRelationship.Enabled = true; txtRHPhone.Enabled = true; txtECMNumber.Enabled = true;
                       //ddlUState.Text = Convert.ToString(dr["UState"]);
                       DateTime GV_date = DateTime.Now;
                       txtUDob.Text = GV_date.ToShortDateString();
                       this.GView.Visible = false;
                       txtFName.Focus();
                       this.btnUpdate.Enabled = true; this.btnShow.Enabled = false; this.btnSave.Enabled = false; this.btnAdd.Enabled = false; this.btnCancel.Enabled = true; this.btnClear.Enabled = false;
                   }
 
               }
 
           }

// End of Assigning Value to the foreign key of the Business Info and Emrg Contact Info Tables
}