c#页面查询、数据显示

page :

<%@ Control Language="C#" AutoEventWireup="true" CodeFile="QueryxxxxInfos.ascx.cs" Inherits="DotNetNuke.Modules.HRAddUser.QueryxxxxInfos" %>
<asp:Panel ID="panMain" runat="server">
<table>
 
    <tr>
        <td>
           <table>
                    <tr>
                        <td>
                            <asp:Label ID="Label2" runat="server" Text="xx名称:"></asp:Label></td>
                            <asp:TextBox ID="tbxToxxName" runat="server" Width="220px"></asp:TextBox></td>
							 <asp:Label ID="Label2" runat="server" Text="xxx信息:"></asp:Label></td>
                            <asp:TextBox ID="tbxToxxxColumn" runat="server" Width="220px"></asp:TextBox></td>
                        <td>
                    </tr>
                  
                    <!-- <tr>
                        <td>
                            <asp:Label ID="Label7" runat="server" Text="xxx情况:"></asp:Label></td>
                       <td>
                            <asp:DropDownList ID="ddlxxxxState" runat="server">
                                <asp:ListItem Selected="True" Text="全部" Value="全部"></asp:ListItem>
                                <asp:ListItem Text="未xxx" Value="未xxx"></asp:ListItem>
                                <asp:ListItem Text="已xxx" Value="已xxx"></asp:ListItem>
                            </asp:DropDownList>
                             </td>
                    </tr>-->
                    <tr>
             <td>
                            <asp:Button ID="btnselect" runat="server" OnClick="btnselect_Click" Text="查询" />
                        </td>
                    </tr>
                </table>
        </td>
    </tr>

    <tr>
        <td>
           <asp:GridView ID="gridxxxPages" runat="server" AutoGenerateColumns="False"
                BackColor="White" BorderColor="#999999" BorderStyle="None" BorderWidth="1px"
                CellPadding="3"  CssClass="GridFont" GridLines="Vertical"  PageSize="20" 
                Width="2500px"> 
                <PagerSettings Mode="NumericFirstLast" />
                <FooterStyle BackColor="#CCCCCC" ForeColor="Black" />
                <Columns>
              
                    <asp:BoundField DataField="DataTableColumns" HeaderText="名称"  ItemStyle-Width="3%"/>
                    <asp:BoundField  DataField="DataTableColumns" HeaderText="日期" DataFormatString="{0:yyyy-MM-dd}" />
                    <asp:BoundField DataField="DataTableColumns" HeaderText="xxx信息" />
                
                </Columns>
                <RowStyle BackColor="#EEEEEE" ForeColor="Black" />
                <SelectedRowStyle BackColor="#008A8C" Font-Bold="True" ForeColor="White" />
                <PagerStyle BackColor="#999999" ForeColor="Black" HorizontalAlign="Center" />
                <HeaderStyle BackColor="#C0C0FF" Font-Bold="True" ForeColor="White" />
                <AlternatingRowStyle BackColor="Gainsboro" />
            </asp:GridView>
        </td>
    </tr>
   <tr>
        <td><asp:Label ID="lblMessage" runat="server" ForeColor="Red"></asp:Label></td>
    </tr>
</table>
</asp:Panel>

　　

controller:

using System;
using System.Data;
using System.Web.UI.WebControls;
using DotNetNuke.Services.Localization;
using DotNetNuke.Security;

namespace DotNetNuke.Modules.DataCon
{
    /// <summary>
    /// xxxx查询界面
    /// </summary>
    public partial class QueryxxxPageInfos : DotNetNuke.Entities.Modules.PortalModuleBase, DotNetNuke.Entities.Modules.IActionable
    {
        private DotNetNuke.Modules.DataCon.DataController Dac = new DataController();
        private DataTable dtxxxPage;
        string sWhere = ""
            ;
        protected void Page_Load(object sender, EventArgs e)
        {
            FillDG();
            if (!IsPostBack)
            {
                FillUI();
            }
        }

        private void FillDG()
        {
            sWhere = " where 1=1  ";
            if (tbxToxxName.Text != "")
            {
                sWhere += " and xxxxName like '%" + tbxToxxName.Text + "%'";
            }
        
       
            if (tbxToxxxColumn.Text != "")
            {
                sWhere += " and xxxxColumn like '%" + tbxToxxxColumn.Text + "%'";
            }
          

            sWhere += " order by xxxPageID ";
            
            dtxxxPage = new DataTable();
            dtxxxPage = Dac.GetxxxPage(sWhere);
        }

        private void FillUI()
        {
            gridxxxPages.DataSource = dtxxxPage;
            gridxxxPages.DataBind();
        }
        
        protected void btnselect_Click(object sender, EventArgs e)
        {
            FillDG();
            FillUI();
        }

        #region IActionable 成员

        DotNetNuke.Entities.Modules.Actions.ModuleActionCollection DotNetNuke.Entities.Modules.IActionable.ModuleActions
        {
            get
            {
                Entities.Modules.Actions.ModuleActionCollection Actions = new
                Entities.Modules.Actions.ModuleActionCollection();
                Actions.Add(GetNextActionID(),
                Localization.GetString(Entities.Modules.Actions.ModuleActionType.AddContent,
                LocalResourceFile), Entities.Modules.Actions.ModuleActionType.AddContent, "", "",
                EditUrl(), false, SecurityAccessLevel.Edit, true, false);
                return Actions;
            }
        }

        #endregion
    }
}

　　

datainfo:

   /// <summary>
        /// 获取xxxxx表
        /// </summary>
        /// <param name="swhere"></param>
        /// <returns></returns>
        public DataTable GetxxxInfo(string swhere)
        {
            DataTable dataMKPro = new DataTable();
            string CommandText = "select ...... from  tablename " + swhere;
            dataMKPro = sqlAccess.ExecuteTable(CommandText);
            return dataMKPro;
        }