private void searchButton_Click(object sender, EventArgs e)
{
int outvalue;
if (Int32.TryParse(searchTextBox.Text, out outvalue))
{
studentDataGridView.DataSource = ob.SearchFromStudentInfoTable(searchTextBox.Text);
}
else
{
MessageBox.Show("Only Student ID & Dept ID!!!");
searchTextBox.ResetText();
}
}