private void buttonSelectCustomerUpdateEmail_Click(object sender, EventArgs e)
        {
            validate callValidate = new validate();

            if (callValidate.IsValidEmail(textBoxCustEmail.Text))
            {
                try
                {
                    DataTable _dt_email = callServer.dialogServerInsert("TAB_LOAD_CUSTOMER_UPDATE", " @SYSAPPID = " + AID + ", @USERAPPID	= "+ LID + ", @USERNUMBER = '" + USERNUMBER + "', @USERLOGID = '" + LOGUSERID + "', @CUSTNUMBER = '" + CUSTNUMBER + "', @UPDATETYPE = 'EMAIL', @UPDATEDATA = '" + textBoxCustEmail.Text + "'");
                    DataRow   dr        = _dt_email.Rows[0];
                    if (dr["SUCCES"].ToString() == "1")
                    {
                        MessageBox.Show(dr["MESSAGE"].ToString(), "Email Update", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
                    }
                    else
                    {
                        MessageBox.Show(dr["MESSAGE"].ToString(), "Email Update", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                    }
                }
                catch (Exception) { MessageBox.Show("Call the administrator.", "Update Error", MessageBoxButtons.OK, MessageBoxIcon.Hand); }
                buttonSelectCustomerUpdateEmail.Enabled = false;
                pictureBoxWorning.Visible = false;
                pictureBoxSuccess.Visible = false;
            }
            else
            {
                pictureBoxWorning.Visible = true;
                pictureBoxSuccess.Visible = false;
            }
        }
 private void textBoxCustEmail_TextChanged(object sender, EventArgs e)
 {
     if (CUSTOMERTYPE == "SYS")
     {
         pictureBoxWorning.Visible = false;
         pictureBoxSuccess.Visible = false;
         if (textBoxCustEmail.Text != "")
         {
             validate callValidate = new validate();
             if (callValidate.IsValidEmail(textBoxCustEmail.Text))
             {
                 pictureBoxWorning.Visible = false; buttonSelectCustomerUpdateEmail.Enabled = true; pictureBoxSuccess.Visible = true;
             }
             else
             {
                 pictureBoxWorning.Visible = true; pictureBoxSuccess.Visible = false;
             }
         }
     }
 }
 private void textBoxEmail_TextChanged(object sender, EventArgs e)
 {
     labelEmailE.ForeColor = Color.Red;
     labelEmailE.Visible   = false;
     if (textBoxEmail.Text != "")
     {
         validate callValidate = new validate();
         if (callValidate.IsValidEmail(textBoxEmail.Text))
         {
             labelEmailE.ForeColor = Color.Green;
             labelEmailE.Text      = "Valied Customer Email.";
             labelEmailE.Visible   = true;
             custEmail             = true;
         }
         else
         {
             labelEmailE.ForeColor = Color.Red;
             labelEmailE.Text      = "Inalied Customer Email.";
             labelEmailE.Visible   = true;
         }
     }
 }