private void teacherUpdateButton_Click(object sender, EventArgs e)
{
addTeacherObj = new AddTeacherClass();
addTeacherObj.TeacherId = teacherIdTextBox.Text;
addTeacherObj.TeacherName = teacherNameTextBox.Text;
addTeacherObj.TeacherDesign = designationTextBox.Text;
addTeacherObj.DeptName = dNameComboBox.Text;
if (teacherIdTextBox.Text == "" || teacherNameTextBox.Text == "" || designationTextBox.Text == "")
{
MessageBox.Show("Could not Update!");
}
else
{
gateways.UpdateTeacherInfoTable(addTeacherObj);
MessageBox.Show("Information Updated Successfully!");
}
}