C# 将GridView导出到Excel 2007
我想将gridview导出到excel 2007,我正在使用的代码可以通过mime类型的应用程序/vnd.ms-excel excel 2003导入到excel 2007,但我收到一条警告消息,提示您尝试打开的文件格式不同…,clic为“是”和“否”,单击“是”打开文件,buy i can't have this msg for the customers.使用mime类型for excel 2007应用程序/vnd.openxmlformats-officedocument.spreadsheetml.sheet文件甚至无法打开excel无法打开文件,因为格式或扩展无效 这是我现在正在使用的代码:C# 将GridView导出到Excel 2007,c#,asp.net,excel,gridview,C#,Asp.net,Excel,Gridview,我想将gridview导出到excel 2007,我正在使用的代码可以通过mime类型的应用程序/vnd.ms-excel excel 2003导入到excel 2007,但我收到一条警告消息,提示您尝试打开的文件格式不同…,clic为“是”和“否”,单击“是”打开文件,buy i can't have this msg for the customers.使用mime类型for excel 2007应用程序/vnd.openxmlformats-officedocument.spreadshe
using System;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.IO;
using System.Drawing;
namespace TesteFornecedores
{
public partial class Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!this.IsPostBack)
{
this.BindGrid();
}
}
private void BindGrid()
{
using (DataSet ds = new DataSet())
{
ds.ReadXml(Server.MapPath("~/Customers.xml"));
GridView1.DataSource = ds;
GridView1.DataBind();
}
}
protected void OnPageIndexChanging(object sender, GridViewPageEventArgs e)
{
GridView1.PageIndex = e.NewPageIndex;
this.BindGrid();
}
protected void ExportToExcel(object sender, EventArgs e)
{
Response.Clear();
Response.Buffer = true;
Response.AddHeader("content-disposition", "attachment; filename=ExcelList");
Response.Charset = "";
Response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
using (StringWriter sw = new StringWriter())
{
HtmlTextWriter hw = new HtmlTextWriter(sw);
//To Export all pages
GridView1.AllowPaging = false;
this.BindGrid();
GridView1.HeaderRow.BackColor = Color.White;
foreach (TableCell cell in GridView1.HeaderRow.Cells)
{
cell.BackColor = GridView1.HeaderStyle.BackColor;
}
foreach (GridViewRow row in GridView1.Rows)
{
row.BackColor = Color.White;
foreach (TableCell cell in row.Cells)
{
if (row.RowIndex%2 == 0)
{
cell.BackColor = GridView1.AlternatingRowStyle.BackColor;
}
else
{
cell.BackColor = GridView1.RowStyle.BackColor;
}
cell.CssClass = "textmode";
}
}
GridView1.RenderControl(hw);
//style to format numbers to string
string style = @"<style> .textmode { } </style>";
Response.Write(style);
Response.Output.Write(sw.ToString());
Response.Flush();
Response.End();
}
}
public override void VerifyRenderingInServerForm(Control control)
{
/* Verifies that the control is rendered */
}
}
}
有人知道一个解决方案可以帮我在Excel2007中打开这个gridview吗
谢谢。您没有导出到实际的Excel格式。您正在创建一个HTML文件,由于您提供了一个Excel知道如何处理的MIME类型,Excel会尝试打开它。Excel确实知道如何读取基本HTML文件,但很难控制格式,您将收到警告消息 相反,您需要做的是生成.xlsx文件,使用一个可以为您生成这些文件的库。这方面的例子有和。注意:您需要避免使用基于Excel互操作的解决方案,因为Microsoft在服务器端不支持这些解决方案,它们将很难调试,并且会引起麻烦 顺便说一句,不要将其视为导出GridView。这是一个糟糕的方法。GridView是用于以HTML格式显示数据的UI元素。将其视为如何导出此数据?在您的情况下,可以将其视为导出数据集或XML类型的数据
Response.Clear();
Response.ContentType = "application/excel";
Response.AddHeader("Content-Disposition", "attachment; filename=" + fileName);
Response.BinaryWrite(objectData);//objectData is binary data
Response.End();
你的回答应该是这样的。我很确定您的代码不会工作,因为您没有为响应提供有效的excel文件,请阅读关于OleDbConnection的内容
使用网格数据源中的数据集。之后,构建OLEDB连接
将数据集中的列添加到comm.CommanText。构建数据集列结构的副本。之后:
comm.Connection = conn;
comm.ExecuteNonQuery();
现在,您已经使用与数据集相同的列创建了表
现在您应该更新内容了
OleDbDataAdapter ad = new OleDbDataAdapter(
string.Format("SELECT * FROM [{0}]", "TableName"), conn);
OleDbCommandBuilder builder = new OleDbCommandBuilder(ad);
builder.QuotePrefix = "[";
builder.QuoteSuffix = "]";
// Saves the data set
ad.Update(DataSetFromTheGrid);
现在您用数据填充了表。
//注意文件名与连接字符串中的文件名相同!
FileStream fs=newfilestreamfilename,FileMode.Open,FileAccess.Read
BinaryReader reader = new BinaryReader(fs);
excelBytes = reader.ReadBytes((int)fs.Length);
//after the returned bytes it will be good to delete the file !
将这些字节返回到响应,您就有了excel文件
BinaryReader reader = new BinaryReader(fs);
excelBytes = reader.ReadBytes((int)fs.Length);
//after the returned bytes it will be good to delete the file !