?1???? protected?void?Button1_Click(object?sender,?EventArgs?e)
?2?????{
?3?????????Export("application/ms-excel",?"學生成績報表.xls");
?4?????}
?5?
?6?????private?void?Export(string?FileType,?string?FileName)
?7?????{
?8?????????Response.Charset?=?"GB2312";
?9?????????Response.ContentEncoding?=?System.Text.Encoding.UTF7;
10?????????Response.AppendHeader("Content-Disposition",?"attachment;filename="?+?HttpUtility.UrlEncode(FileName,?Encoding.UTF8).ToString());
11?????????Response.ContentType?=?FileType;
12?????????this.EnableViewState?=?false;
13?????????StringWriter?tw?=?new?StringWriter();
14?????????HtmlTextWriter?hw?=?new?HtmlTextWriter(tw);
15?????????GridView1.RenderControl(hw);
16?????????Response.Write(tw.ToString());
17?????????Response.End();
18?????}

19???? //如果沒有下面方法會報錯類型“GridView”的控件“GridView1”必須放在具有?runat=server?的窗體標記內
20?????public?override?void?VerifyRenderingInServerForm(Control?control)
21?????{
22?????}
?1???? //讀取Excel數據的代碼：這個很簡單的
?2???? private?DataSet?CreateDataSource()
?3?????{
?4?????????string?strCon;
?5?????????strCon?=?"Provider=Microsoft.Jet.OLEDB.4.0;Data?Source="?+?Server.MapPath("excel.xls")?+?";?Extended?Properties=Excel?8.0;";
?6?????????OleDbConnection?olecon?=?new?OleDbConnection(strCon);
?7?????????OleDbDataAdapter?myda?=?new?OleDbDataAdapter("SELECT?*?FROM?[Sheet1$]",?strCon);
?8?????????DataSet?myds?=?new?DataSet();
?9?????????myda.Fill(myds);
10?????????return?myds;
11?????}
12?????protected?void?Button1_Click(object?sender,?EventArgs?e)
13?????{
14?????????GridView1.DataSource?=?CreateDataSource();
15?????????GridView1.DataBind();
16?????}

轉載于:https://www.cnblogs.com/feb9903/archive/2007/04/11/709296.html

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