private void formWarehouseManagement_Load(object sender, EventArgs e)
 {
     XuLy.getWarehouses(cbbSourceWarehouse);
     XuLy.getWarehouses(cbbDestinationWarehouse);
     XuLy.getPartByWarehouse((int)cbbSourceWarehouse.SelectedValue, cbbPartName);
     XuLy.getBatchNumberByPart((int)cbbPartName.SelectedValue, cbbBatchNumber);
     if (!XuLy.getRequirementBatch((int)cbbPartName.SelectedValue))
     {
         cbbBatchNumber.Enabled = false;
     }
 }
 private void cbbPartName_SelectedIndexChanged(object sender, EventArgs e)
 {
     if (!(cbbPartName.SelectedValue is System.Data.DataRowView))
     {
         XuLy.getBatchNumberByPart((int)cbbPartName.SelectedValue, cbbBatchNumber);
         if (!XuLy.getRequirementBatch((int)cbbPartName.SelectedValue))
         {
             cbbBatchNumber.Enabled = false;
         }
         else
         {
             cbbBatchNumber.Enabled = true;
         }
     }
 }