/// <summary>
 /// 双击组件时发生
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void dgvBusinessType_DoubleClick(object sender, EventArgs e)
 {
     this.btnUpdate.Enabled = true;
     this.btnSave.Enabled   = false;
     if (this.dgvBusinessType.SelectedRows.Count > 0)//选中行
     {
         if (dgvBusinessType.SelectedRows.Count > 1)
         {
             MessageBox.Show("修改只能选中一行!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
         }
         else
         {
             //修改的值
             int ID = int.Parse(this.dgvBusinessType.SelectedRows[0].Cells["BusinessType_ID"].Value.ToString());
             Expression <Func <BusinessType, bool> > funviewinto = n => n.BusinessType_ID == ID;
             foreach (var n in BusinessTypeDAL.QueryView(funviewinto))
             {
                 if (n.BusinessType_Name != null)
                 {
                     // 业务类别名称
                     this.txtBusinessType_Name.Text = n.BusinessType_Name;
                 }
                 if (n.BusinessType_CarType_ID != null && n.BusinessType_CarType_ID > 0)
                 {
                     cmbCarType.Text = LinQBaseDao.GetSingle("select CarType_Name from CarType where CarType_ID=" + n.BusinessType_CarType_ID).ToString();
                 }
                 if (n.BusinessType_State != null)
                 {
                     // 业务类别状态
                     this.cbxBusinessType_State.Text = n.BusinessType_State;
                 }
                 if (n.BusinessType_Loaded != null)
                 {
                     //装货类型
                     this.cbxBusinessType_Loaded.Text = n.BusinessType_Loaded;
                 }
                 if (n.BusinessType_Use != null)
                 {
                     //业务类别用途
                     this.txtBusinessType_Use.Text = n.BusinessType_Use;
                 }
                 if (n.BusinessType_Content != null)
                 {
                     // 业务类别描述
                     this.txtBusinessType_Content.Text = n.BusinessType_Content;
                 }
                 if (n.BusinessType_Remark != null)
                 {
                     // 业务类别备注
                     this.txtBusinessType_Remark.Text = n.BusinessType_Remark;
                 }
                 break;
             }
         }
     }
     else
     {
         MessageBox.Show("请选择要修改的行!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
     }
 }
        /// <summary>
        /// 查重方法
        /// </summary>
        /// <returns></returns>
        private bool btnCheckupdate()
        {
            bool rbool = true;

            try
            {
                string BusinessType_Name = this.txtBusinessType_Name.Text.ToString();
                //判断名称是否已存在
                Expression <Func <BusinessType, bool> > funviewFVNInfo = n => n.BusinessType_Name == BusinessType_Name && n.BusinessType_Name != this.dgvBusinessType.SelectedRows[0].Cells["BusinessType_Name"].Value.ToString();
                if (BusinessTypeDAL.QueryView(funviewFVNInfo).Count() > 0)
                {
                    PublicClass.ShowToolTip(ToolTipIcon.Info, "提示", "该业务类型名称已存在", txtBusinessType_Name, this);
                    this.txtBusinessType_Name.Focus();
                    rbool = false;;
                }
                return(rbool);
            }
            catch
            {
                CommonalityEntity.WriteTextLog("地感管理 btnCheck()");
                rbool = false;
            }
            return(rbool);
        }