/// <summary>
 /// 加载事件
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void OutInventory_Load(object sender, EventArgs e)
 {
     data_storage.DataSource = bb.GetDataset(operation_type).Tables[0];
     com_find_type.Items.Add("根据物品名查询");
     com_find_type.Items.Add("根据客户名查询");
     date_start_time.CustomFormat = " ";
     date_stop_time.CustomFormat  = " ";
 }
 /// <summary>
 /// 加载事件
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void BillManage_Load(object sender, EventArgs e)
 {
     data_storage.DataSource = bb.GetDataset("").Tables[0];
     com_find_type.Items.Add("根据物品名查询");
     com_find_type.Items.Add("根据客户名查询");
     com_find_type.Items.Add("根据仓库名查询");
     date_start_time.CustomFormat = " ";
     date_stop_time.CustomFormat  = " ";
     com_type_id.DisplayMember    = "Operation_type";
     com_type_id.ValueMember      = "Id";
     com_type_id.DataSource       = ob.FindAll();
     com_type_id.SelectedItem     = null;
 }