日期:2014-05-17  浏览次数:20805 次

gridview 问题,解决不了,求大家帮忙...
前台
C# code

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>

    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js" type="text/javascript"></script>

</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:ScriptManager ID="ScriptManager1" runat="server">
        </asp:ScriptManager>
        <%--        <asp:UpdatePanel ID="UpdatePanel1" runat="server">
            <ContentTemplate>--%>
        <asp:GridView ID="gdvData" runat="server" AutoGenerateColumns="false" OnRowEditing="gdvData_RowEditing"
            OnRowUpdating="gdvData_RowUpdating">
            <Columns>
                <asp:TemplateField HeaderText="图片">
                    <ItemTemplate>
                        xxx</ItemTemplate>
                    <EditItemTemplate>
                        <asp:FileUpload ID="FileUpload1" runat="server"></asp:FileUpload></EditItemTemplate>
                </asp:TemplateField>
                <asp:CommandField ShowEditButton="true" />
            </Columns>
        </asp:GridView>
        <%--            </ContentTemplate>
        </asp:UpdatePanel>--%>
        图片:<input type="file" runat="server" id="InputFile" style="width: 132px;" /><br />
        <asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" />
    </div>
    </form>
</body>
</html>



 后台

C# code

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class _Default : System.Web.UI.Page
{
    private static List<string> files = new List<string> { "a", "b" };
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!this.IsPostBack)
        {
            BinData();
        }
    }

    private void BinData()
    {
        gdvData.DataSource = files;
        gdvData.DataBind();
    }
    protected void gdvData_RowEditing(object sender, GridViewEditEventArgs e)
    {
        gdvData.EditIndex = e.NewEditIndex;
        BinData();
    }

    protected void gdvData_RowUpdating(object sender, GridViewUpdateEventArgs e)
    {
        Response.Write((gdvData.Rows[e.RowIndex].FindControl("FileUpload1") as FileUpload).FileName + "<br/>");

        string upFile = ((FileUpload)gdvData.Rows[e.RowIndex].FindControl("FileUpload1")).PostedFile.FileName;
        UpLoad(upFile);
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        UpLoad(InputFile.Value);
    }

    private string UpLoad(string img)
    {
        string pictureName = "";

        int idx = img.LastIndexOf('.');

        string suffx = img.Substring(idx);

        pictureName = DateTime.Now.Ticks.ToString() + suffx;

        if (img != "")
        {
            string path = Server.MapPath