/// <summary>
/// 下拉列表选择事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void com_find_type_SelectionChangeCommitted(object sender, EventArgs e)
{
com_find_type2.DataSource = null;
switch (com_find_type.Text) //根据用户的选择变更第二个下拉框的内容
{
case "根据仓库号查找":
lab_find_type2.Text = "请选择仓库";
com_find_type2.DisplayMember = "Warehouse_name";
com_find_type2.ValueMember = "Id";
find_type = " w.id=";
com_find_type2.DataSource = wnb.FindAll();
break;
case "根据客户名查找":
lab_find_type2.Text = "请选择客户";
com_find_type2.DisplayMember = "Client_name";
com_find_type2.ValueMember = "Id";
find_type = " c.id=";
com_find_type2.DataSource = cb.FindAll();
break;
case "根据物品名查找":
lab_find_type2.Text = "请选择物品";
com_find_type2.DisplayMember = "Goods_name";
com_find_type2.ValueMember = "Id";
find_type = " g.id=";
com_find_type2.DataSource = gb.FindAll();
break;
}
}