在DataGireView中加筛选条件

dt （查询出的数据源）

BindingSource source = new BindingSource();
source.DataSource = dt;
foreach (DataGridViewColumn col in dgvGoodImport.Columns)
{
       col.HeaderCell = new DataGridViewAutoFilterColumnHeaderCell(col.HeaderCell);
}
this.dgvGoodImport.DataSource = source;