protected void btnDelete_Click(object sender, EventArgs e)
{
DatabaseConnectivity dbcon = new DatabaseConnectivity();
int envTypeID = Convert.ToInt32(dropEnvType.SelectedValue);
int res = dbcon.deleteEnvironmentType(envTypeID);
rowPatchClientName.Visible = false;
rowSubmit.Visible = false;
lblSubmission.Visible = true;
lblSubmission.Text = "Environment Type Query is successfully executed with the Response Code: " + (res == 1 ? "0200 OK" : (res == -1 ? "0203 NOT OK" : "0500 SERVER ERROR"));
}