//view Category Dtabase tables coloums values
private void refeshbutton_Click(object sender, EventArgs e)
{
try
{
CategoryClass oobj = new CategoryClass();
//Datas Set obj put to the Dtaview grid auto rende all the colums and values.
///you dont create custom table colums in Data grid grid
//variable of data grid view+daat source
dataGridView1.DataSource = oobj.categoryViewAll().Tables[0];
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}