/// <summary>

        /// 获得数据列表

        /// </summary>

        public DataSet GetList(string strWhere)

        {

            StringBuilder strSql = new StringBuilder();

            strSql.Append("select [ID],[ProjectName],[ProjectSerils]");

            strSql.Append(" FROM ERPProject ");

            if (strWhere.Trim() != "")

            {

                strSql.Append(" where " + strWhere);

            }

            return DbHelperSQL.Query(strSql.ToString());

        }

<asp:DropDownList ID="DropDownList" runat="server" Height="20px">

     <asp:ListItem Selected="True" Value="ProjectName">项目名称</asp:ListItem>

     <asp:ListItem Value="ProjectSerils">项目编号</asp:ListItem>

     <asp:ListItem Value="SuoShuKeHu">建设单位</asp:ListItem>

</asp:DropDownList>

<asp:TextBox ID="TextBox1" runat="server" Height="20px" Width="80px"></asp:TextBox>

                    

<asp:ImageButton

                        ID="ImageButton4" runat="server" ImageAlign="AbsMiddle" ImageUrl="../images/Button/BtnSerch.jpg"

                        OnClick="ImageButton4_Click" />

public void DataBindToGridview()

    {

        ZWL.BLL.ERPProject MyModel = new ZWL.BLL.ERPProject();

        String Proj = this.DropDownList.SelectedValue;

        Label1.Text = Proj;

        GVData.DataSource = MyModel.GetList("'Proj' Like '%" + this.TextBox1.Text + "%' order by ID desc");

        GVData.DataBind();

        LabPageSum.Text = Convert.ToString(GVData.PageCount);

        LabCurrentPage.Text = Convert.ToString(((int)GVData.PageIndex + 1));

        this.GoPage.Text = LabCurrentPage.Text.ToString();

    }

public void DataBindToGridview()

    {

        ZW