标题[C＃-ASP.NET-.NET Framework 4.5]中的每列每一个TextBox过滤Gridview列

时间：2019-03-11 14:00:02

标签： c# asp.net gridview

所有人。

我正在使用C＃和ASP.NET为公司开发Web应用程序。

我有Default.aspx页面和一个名为wucUdc.ascx的用户控件，当用户按下Default.aspx页面中的按钮时，该控件就会加载到Default.aspx页面中。

在用户控件中，有一个ASP.NET GridView，其中填充了存储过程的结果。

我想为GridView标题中的每一列（动态）添加一个TextBox，以便在用户每次在其中写入内容时用作列过滤器。

我将在下面向您展示代码。

Default.aspx 

<%@ Page EnableViewState="true" Language="C#" CodeBehind="Default.aspx.cs" Inherits="DynamicStoreWeb._Default" %>
<%@ Reference Control="~/wucUdc.ascx"%>
<link href="Default.css" rel="stylesheet" type="text/css" />

<!DOCTYPE HTML>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>DynamicStore Web App</title>
</head>
<body>
    <form id="form" runat="server">
        <div id="primary-menu" class="primary-menu">        
            <asp:ImageButton id="btnUDC" runat="server" 
                AlternateText="UDC" 
                ImageUrl="Resources/shipping-and-delivery.png" 
                Height="80" 
                Width="80"
                BorderColor="#000000"
                BorderStyle="Solid"
                BorderWidth="2"
                CssClass="button"
                OnClick="btnUDC_OnClick"
                />
            <asp:ImageButton id="btnCelle" runat="server" 
                AlternateText="Celle"
                ImageUrl="Resources/stock.png" 
                Height="80" 
                Width="80"
                BorderColor="#000000"
                BorderStyle="Solid"
                BorderWidth="2"
                CssClass="button"
                OnClick="btnCelle_OnClick"
                />
            <asp:ImageButton id="btnSpedizioni" runat="server" 
                AlternateText="Spedizioni"
                ImageUrl="Resources/truck.png" 
                Height="80" 
                Width="80"
                BorderColor="#000000"
                BorderStyle="Solid"
                BorderWidth="2"
                CssClass="button"
                OnClick="btnSpedizioni_OnClick"
                />
        </div>
        <section>
            <nav>
                <ul style="font-family: Tahoma;">
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                    <li><a href="#">Example</a></li>
                </ul>
            </nav>
            <article runat="server" enableviewstate="true">
                 <asp:PlaceHolder ID="PlaceHolder" runat="server" EnableViewState="true"></asp:PlaceHolder>
            </article>
        </section>
        <footer>
            <p style="font-family: Tahoma;">DynamicStore Web App</p>
        </footer>
    </form>
</body>
</html>

Default.aspx.cs 

using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Configuration;
using System.Data;
using System.Data.SqlClient;

namespace DynamicStoreWeb
{
    public partial class _Default : System.Web.UI.Page
    {
        HttpCookie cookie = new HttpCookie("Scelta");

        protected void Page_Load(object sender, EventArgs e)
        {
            if (Request.Cookies["Scelta"] != null)
            {
                HttpCookie cookie = Request.Cookies["Scelta"];
                cookie.Expires = DateTime.Now.AddDays(-1);
                UserControl uc = (UserControl)Page.LoadControl(cookie["command"]);
                PlaceHolder.Controls.Add(uc);
            }
        }

        protected void btnUDC_OnClick(object sender, EventArgs e)
        {
            UserControl uc = (UserControl)Page.LoadControl("~/wucUdc.ascx");
            PlaceHolder.Controls.Add(uc);
            cookie["command"] = "~/wucUdc.ascx";
            Response.Cookies.Add(cookie);
        }
    }
}

wucUdc.ascx 

<%@ Control Language="C#" AutoEventWireup="true" CodeBehind="wucUdc.ascx.cs" Inherits="DynamicStoreWeb.wucUdc" %>
<link href="wucUdc.css" rel="stylesheet" type="text/css" />

<div runat="server">

    <asp:Label ID="DateFromLbl" runat="server" Text="Dal giorno: " CssClass="label"></asp:Label>

    <asp:TextBox ID="DateFrom" runat="server" Width="130px" TextMode="Date" CssClass="dropdown" Font-Names="Tahoma">2000-01-01</asp:TextBox>

    <asp:Label ID="DateToLbl" runat="server" Text="Al giorno: " CssClass="label"></asp:Label>

    <asp:TextBox ID="DateTo" runat="server" Width="130px" TextMode="Date" CssClass="dropdown" Font-Names="Tahoma"></asp:TextBox>

    <asp:Label ID="Ricerca" runat="server" Text="Ricerca: " CssClass="label"></asp:Label>

    <asp:TextBox ID="Search" runat="server" Width="95px" TextMode="SingleLine"></asp:TextBox>

    <asp:Label ID="Risultati" runat="server" Text="Ultimi risultati: " CssClass="label"></asp:Label>

    <asp:CheckBox ID="TopResults" runat="server" AutoPostBack="true" EnableViewState="true" ViewStateMode="Enabled"/>

    <asp:Button ID="btnSubmit" runat="server" Text="Visualizza UDC" CssClass="control-button" OnClick="btnSubmit_Click"/>

    <div style = "overflow-x:auto; width:100%">
        <asp:GridView ID="GridView" runat="server" CssClass="mydatagrid" PagerStyle-CssClass="pager" HeaderStyle-CssClass="header" RowStyle-CssClass="rows" AllowPaging="True" EnableSortingAndPagingCallbacks="True" AutoGenerateEditButton="False" ShowHeaderWhenEmpty="True">
        </asp:GridView>
    </div>
</div>

wucUdc.ascx.cs 

using System.Web.UI;
using System.Web.UI.WebControls;
using System.Configuration;
using System.Data;
using System.Data.SqlClient;
using System.Globalization;

namespace DynamicStoreWeb
{
    public partial class wucUdc : System.Web.UI.UserControl
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            DateTo.Text = DateTime.Today.ToString("yyyy-MM-dd");
        }

        protected void btnSubmit_Click(object sender, EventArgs e)
        {
            string conn = "";
            conn = ConfigurationManager.ConnectionStrings["Connection"].ToString();
            SqlConnection objsqlconn = new SqlConnection(conn);
            try
            {
                objsqlconn.Open();
                SqlCommand objcmd = new SqlCommand("DY_FindUdcList", objsqlconn);
                objcmd.CommandType = CommandType.StoredProcedure;

                SqlParameter RCp = objcmd.Parameters.Add("@RC", SqlDbType.Int);
                RCp.Direction = ParameterDirection.ReturnValue;

                SqlParameter DateFromp = objcmd.Parameters.Add("@DateFrom", SqlDbType.DateTime);
                DateFromp.Value = DateFrom.Text;

                SqlParameter DateTop = objcmd.Parameters.Add("@DateTo", SqlDbType.DateTime);
                DateTop.Value = DateTo.Text;

                SqlParameter UdcCelp = objcmd.Parameters.Add("@UdcCel", SqlDbType.Int);
                UdcCelp.Value = -1;

                SqlParameter TopResultsp = objcmd.Parameters.Add("@TopResults", SqlDbType.Bit);
                if (TopResults.Checked)
                {
                    TopResultsp.Value = 1;
                }
                else
                {
                    TopResultsp.Value = 0;
                }

                SqlParameter Searchp = objcmd.Parameters.Add("@Search", SqlDbType.VarChar);
                Searchp.Value = Search.Text;

                SqlParameter Operp = objcmd.Parameters.Add("@Oper", SqlDbType.VarChar);
                Operp.Value = "";

                SqlParameter Termp = objcmd.Parameters.Add("@Term", SqlDbType.VarChar);
                Termp.Value = "";

                SqlParameter Errorep = objcmd.Parameters.Add("@Errore", SqlDbType.VarChar);
                Errorep.Value = "";
                Errorep.Direction = ParameterDirection.Output;

                SqlDataAdapter adapter = new SqlDataAdapter(objcmd);
                DataTable dt = new DataTable();
                adapter.Fill(dt);
                GridView.DataSource = dt;
                GridView.DataBind();
                objcmd.Dispose();
            }
            catch (Exception ex)
            {
                Response.Write(ex.Message.ToString());
            }
            finally
            {
                objsqlconn.Close();
            }
        }
    }
}

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