private void txtSearch_TextChanged(object sender, EventArgs e)
{
//获取文本框的内容
string txt = txtSearch.Text;
//传到bll层
ProductInfoBLL bll = new ProductInfoBLL();
List<ProductInfo> list = bll.GetProductInfoByProNum(txt);
//集合绑定到dgv上
dgvProductInfo.AutoGenerateColumns = false;
dgvProductInfo.DataSource = list;
if(dgvProductInfo.SelectedRows.Count>0)
{
dgvProductInfo.SelectedRows[0].Selected = false;
}
}
