把DataGrid上的数据导入到Excel 那请问Excel 文件放在那了?

肥胖的柠檬 2008-01-05 04:13:06
把DataGrid上的数据导入到Excel


OutPutExcel.aspx

<%@ Page language="c#" Codebehind="OutPutExcel.aspx.cs"
AutoEventWireup="false" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>OutPutExcel</title>
</HEAD>
<body>
<form id="Form1" method="post" runat="server">
<asp:DataGrid id="DataGrid1" runat="server"></asp:DataGrid>
<asp:Button id="Button1" runat="server" Text="输出到Excel"></asp:Button>
</form>
</body>
</HTML>

OutPutExcel.aspx.cs

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace eMeng.Exam
{
/// <summary>
/// OutPutExcel 的摘要说明。
/// </summary>
public class OutPutExcel : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.DataGrid DataGrid1;

private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
DataGrid1.DataSource=CreateDataSource();
DataGrid1.DataBind();
}
/// <summary>
/// 创建数据源
/// </summary>
/// <returns>DataView</returns>
ICollection CreateDataSource()
{

DataTable dt = new DataTable();
DataRow dr;
dt.Columns.Add(new DataColumn("身份证号码", typeof(string)));
dt.Columns.Add(new DataColumn("图书单价",typeof(decimal)));
dt.Columns.Add(new DataColumn("购买数量",typeof(Int32)));
dt.Columns.Add(new DataColumn("总价格",typeof(decimal)));


for (int i = 0; i < 30; i++)
{
dr = dt.NewRow();

dr[0] = "123456789123456789";
dr[1] = 100 * i /3.0;
dr[2] = i + 5;
dr[3] = (decimal)dr[1] * (Int32)dr[2];
dt.Rows.Add(dr);
}
DataView dv = new DataView(dt);
return dv;
}
/// <summary>
/// 输出到Excel
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Button1_Click(object sender, System.EventArgs e)
{
Response.Clear();
Response.Buffer= true;
Response.Charset="GB2312";
Response.AppendHeader("Content-Disposition","attachment;filename=FileName.xls");
Response.ContentEncoding=System.Text.Encoding.GetEncoding("GB2312");//设置输出流为简体中文
Response.ContentType = "application/ms-excel";//设置输出文件类型为excel文件。
this.EnableViewState = false;
System.Globalization.CultureInfo myCItrad = new System.Globalization.CultureInfo("ZH-CN",true);
System.IO.StringWriter oStringWriter = new System.IO.StringWriter(myCItrad);
System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);
this.DataGrid1.RenderControl(oHtmlTextWriter);
Response.Write(oStringWriter.ToString());
Response.End();
}

#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}

/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.Button1.Click += new System.EventHandler(this.Button1_Click);
this.DataGrid1.ItemDataBound += new System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGrid1_ItemDataBound);
this.Load += new System.EventHandler(this.Page_Load);

}
#endregion

private void DataGrid1_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{
e.Item.Cells[0].Attributes.Add("style","vnd.ms-excel.numberformat:@");
e.Item.Cells[3].Attributes.Add("style","vnd.ms-excel.numberformat:￥#,###.00");
}
}
}
}
...全文
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liyingzi 2008-01-06
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景仰，学习中
LikeCode 2008-01-05
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.cs文件少了几个东东,嘿嘿,不好意思,下面补上正确的,我试了,可以,正确输出excel.
问题解决请不要忘记结贴.谢谢!
using System;

using System.Data;

using System.Configuration;

using System.Collections;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;



public partial class Default3 : System.Web.UI.Page

{

    protected void Page_Load(object sender, EventArgs e)

    {

        DataGrid1.DataSource = CreateDataSource();

        DataGrid1.DataBind(); 



    }

    ICollection CreateDataSource()

    {



        DataTable dt = new DataTable();

        DataRow dr;

        dt.Columns.Add(new DataColumn("身份证号码", typeof(string)));

        dt.Columns.Add(new DataColumn("图书单价", typeof(decimal)));

        dt.Columns.Add(new DataColumn("购买数量", typeof(Int32)));

        dt.Columns.Add(new DataColumn("总价格", typeof(decimal)));





        for (int i = 0; i < 30; i++)

        {

            dr = dt.NewRow();



            dr[0] = "123456789123456789";

            dr[1] = 100 * i / 3.0;

            dr[2] = i + 5;

            dr[3] = (decimal)dr[1] * (Int32)dr[2];

            dt.Rows.Add(dr);

        }

        DataView dv = new DataView(dt);

        return dv;

    }

    protected void Button1_Click(object sender, EventArgs e)

    {

        Response.Clear();

        Response.Buffer = true;

        Response.Charset = "GB2312";

        Response.AppendHeader("Content-Disposition", "attachment;filename=FileName.xls");

        Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");//设置输出流为简体中文

        Response.ContentType = "application/ms-excel";//设置输出文件类型为excel文件。  

        this.EnableViewState = false;

        System.Globalization.CultureInfo myCItrad = new System.Globalization.CultureInfo("ZH-CN", true);

        System.IO.StringWriter oStringWriter = new System.IO.StringWriter(myCItrad);

        System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);

        this.DataGrid1.RenderControl(oHtmlTextWriter);

        Response.Write(oStringWriter.ToString());

        Response.End();

    }

    protected void DataGrid1_ItemDataBound(object sender, DataGridItemEventArgs e)

    {

        if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)

        {

            e.Item.Cells[0].Attributes.Add("style", "vnd.ms-excel.numberformat:@");

            e.Item.Cells[3].Attributes.Add("style", "vnd.ms-excel.numberformat:￥#,###.00");

        }

    }

}
LikeCode 2008-01-05
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上面乱了,再贴一次.
.cs
using System;

using System.Data;

using System.Configuration;

using System.Collections;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;



public partial class Default3 : System.Web.UI.Page

{

    protected void Page_Load(object sender, EventArgs e)

    {



    }

    ICollection CreateDataSource()

    {



        DataTable dt = new DataTable();

        DataRow dr;

        dt.Columns.Add(new DataColumn("身份证号码", typeof(string)));

        dt.Columns.Add(new DataColumn("图书单价", typeof(decimal)));

        dt.Columns.Add(new DataColumn("购买数量", typeof(Int32)));

        dt.Columns.Add(new DataColumn("总价格", typeof(decimal)));





        for (int i = 0; i < 30; i++)

        {

            dr = dt.NewRow();



            dr[0] = "123456789123456789";

            dr[1] = 100 * i / 3.0;

            dr[2] = i + 5;

            dr[3] = (decimal)dr[1] * (Int32)dr[2];

            dt.Rows.Add(dr);

        }

        DataView dv = new DataView(dt);

        return dv;

    }

    protected void Button1_Click(object sender, EventArgs e)

    {

        Response.Clear();

        Response.Buffer = true;

        Response.Charset = "GB2312";

        Response.AppendHeader("Content-Disposition", "attachment;filename=FileName.xls");

        Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");//设置输出流为简体中文

        Response.ContentType = "application/ms-excel";//设置输出文件类型为excel文件。  

        this.EnableViewState = false;

        System.Globalization.CultureInfo myCItrad = new System.Globalization.CultureInfo("ZH-CN", true);

        System.IO.StringWriter oStringWriter = new System.IO.StringWriter(myCItrad);

        System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);

        this.DataGrid1.RenderControl(oHtmlTextWriter);

        Response.Write(oStringWriter.ToString());

        Response.End();

    }

}
LikeCode 2008-01-05
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那代码是ASP.NET 1.1写的,2.0这样改就行了
文件名:Default3.aspx
.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default3.aspx.cs" Inherits="Default3" %>



<!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>无标题页</title>

</head>

<body>

    <form id="form1" runat="server">

    <div>

    <asp:DataGrid ID="DataGrid1" runat="server"></asp:DataGrid>

        <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" /></div>

    </form>

</body>

</html>

.cs[cod=C#]using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class Default3 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{

}
ICollection CreateDataSource()
{

DataTable dt = new DataTable();
DataRow dr;
dt.Columns.Add(new DataColumn("身份证号码", typeof(string)));
dt.Columns.Add(new DataColumn("图书单价", typeof(decimal)));
dt.Columns.Add(new DataColumn("购买数量", typeof(Int32)));
dt.Columns.Add(new DataColumn("总价格", typeof(decimal)));


for (int i = 0; i < 30; i++)
{
dr = dt.NewRow();

dr[0] = "123456789123456789";
dr[1] = 100 * i / 3.0;
dr[2] = i + 5;
dr[3] = (decimal)dr[1] * (Int32)dr[2];
dt.Rows.Add(dr);
}
DataView dv = new DataView(dt);
return dv;
}
protected void Button1_Click(object sender, EventArgs e)
{
Response.Clear();
Response.Buffer = true;
Response.Charset = "GB2312";
Response.AppendHeader("Content-Disposition", "attachment;filename=FileName.xls");
Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");//设置输出流为简体中文
Response.ContentType = "application/ms-excel";//设置输出文件类型为excel文件。
this.EnableViewState = false;
System.Globalization.CultureInfo myCItrad = new System.Globalization.CultureInfo("ZH-CN", true);
System.IO.StringWriter oStringWriter = new System.IO.StringWriter(myCItrad);
System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);
this.DataGrid1.RenderControl(oHtmlTextWriter);
Response.Write(oStringWriter.ToString());
Response.End();
}
}
[/code]
肥胖的柠檬 2008-01-05
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可以了~谢谢大家~做了个傻子的错
肥胖的柠檬 2008-01-05
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现在问题是,"你这个一保存应该会弹出一个对话框让你选择保存地址啊"

为什么没有??

你们运行一下看看啊
laoyingisme 2008-01-05
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不会吧,datagrid里有数据,应该是可以的
肥胖的柠檬 2008-01-05
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放在另一机器上也是啊,大大们,你们运行可以?
肥胖的柠檬 2008-01-05
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放在另一机器上也是啊,大大们,你们运行可以?
肥胖的柠檬 2008-01-05
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.......完全没反应啊...
chenguang79 2008-01-05
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你这个一保存应该会弹出一个对话框让你选择保存地址啊
肥胖的柠檬 2008-01-05
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我这什么点了没反应的??
LikeCode 2008-01-05
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这不是弹窗保存吗?!
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