private void btnUpdateCategory_Click(object sender, EventArgs e)
{
if (dgvCategoryInfo.SelectedRows.Count > 0)
{
var id = Convert.ToInt32(dgvCategoryInfo.SelectedRows[0].Cells[0].Value);
mea.Obj = catBLL.GetCategoryInfoByID(id);
LoadFrmChangeCategoryInfo(2);//修改
}
else
{
MessageBox.Show("未选中需要修改的行");
}
}