public void TestProjectAdd1()
        {
            // TODO: Add your test.
            CProjectInfo tp = new CProjectInfo();

            tp.ProjectName = "测试添加,不包含projectID";
            CProjectInfoBLL.AddProjectInfo(tp);
        }
        //添加新项目
        void ButtonAddClick(object sender, EventArgs e)
        {
            int i_LastProjectID;

            i_LastProjectID = CProjectInfoBLL.GetMaxProjectID();
            Debug.WriteLine("最大ProjectID=" + i_LastProjectID.ToString());
            //检测输入合理性
            if (CheckFillOK())
            {
                CProjectInfo tp = new CProjectInfo();
                tp.ProjectID   = i_LastProjectID + 1;
                tp.ProjectName = textBoxProjectName.Text.Trim();
                if (textBoxBuildArea.Text != "")
                {
                    tp.BuildArea = Convert.ToInt32(textBoxBuildArea.Text);
                }
                else
                {
                    tp.BuildArea = 0;
                }
                tp.Contractor = textBoxContractor.Text.Trim();
                if (textBoxProjectDays.Text != "")
                {
                    tp.ProjectDays = Convert.ToInt32(textBoxProjectDays.Text);
                }
                else
                {
                    tp.ProjectDays = 0;
                }
                tp.Memo = textBoxMomo.Text.Trim();

                //添加到数据库中
                CProjectInfoBLL.AddProjectInfo(tp);
                //刷新listbox
                FillListBox1();
                listBox1.Refresh();
//				listBox1.Invalidate();
//				listBox1.Update();
            }
        }