enter image description hereThe machines supposedly cannot be duplicated in the DataGridView but for certain condition it can be allowed.
while (read.Read())
{
if (read[“Selected_Problem”] != DBNull.Value && read[“Selected_Problem”].ToString() == “#Temperature Monitoring”)
{
submitToPending2();
ScriptManager.RegisterClientScriptBlock(this, this.GetType(), “alertMessage”, “alert(‘This machine has been notified to Technician.’)”, true);

                if (read.HasRows)
                {
                    ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('This machine is currently under the status Pending or Processing. You cannot submit it again.')", true);
                    clearTextBox();
                }
                else
                {
                    submitToPending2();
                    ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('This machine has been notified to Technician.')", true);
                    //Response.Redirect("operatorView.aspx");
                }

                //read.Close();
                //con.Close();
            }
        }
        read.Close();
        con.Close();while (read.Read())
        {
            if (read["Selected_Problem"] != DBNull.Value && read["Selected_Problem"].ToString() == "#Temperature Monitoring")
            {
                submitToPending2();
                ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('This machine has been notified to Technician.')", true);

                if (read.HasRows)
                {
                    ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('This machine is currently under the status Pending or Processing. You cannot submit it again.')", true);
                    clearTextBox();
                }
                else
                {
                    submitToPending2();
                    ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('This machine has been notified to Technician.')", true);
                    //Response.Redirect("operatorView.aspx");
                }

                //read.Close();
                //con.Close();
            }
        }
        read.Close();
        con.Close();

It can be duplicated only after the problem of ‘#Temperature Monitoring’ but just for once.