1、DataTable导出Excel
public static void ExportExcel(string fileName, DataTable dataSource) { System.Web.UI.WebControls.GridView dgExport = null; //当前对话 System.Web.HttpContext curContext = System.Web.HttpContext.Current; //IO用于导出并返回excel文件 System.IO.StringWriter strWriter = null; System.Web.UI.HtmlTextWriter htmlWriter = null; if (dataSource != null) { //设置编码和附件格式 curContext.Response.Clear(); curContext.Response.Buffer = true; //System.Web.HttpUtility.UrlEncode(FileName, System.Text.Encoding.UTF8)作用是方式中文文件名乱码 curContext.Response.AddHeader("content-disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8) + ".xls"); curContext.Response.ContentType = "application/vnd.ms-excel"; //解决输出的内容为乱码问题 curContext.Response.Write("<meta http-equiv=Content-Type content=text/html;charset=UTF-8>"); //导出Excel文件 strWriter = new System.IO.StringWriter(); htmlWriter = new System.Web.UI.HtmlTextWriter(strWriter); //为了解决dgData中可能进行了分页的情况,需要重新定义一个无分页的GridView dgExport = new System.Web.UI.WebControls.GridView(); dgExport.DataSource = dataSource; dgExport.AllowPaging = false; dgExport.DataBind(); //下载到客户端 dgExport.RenderControl(htmlWriter); curContext.Response.Write(strWriter.ToString()); curContext.Response.End(); } }
2、gridview 导出Excel
public static void ExportExcel(string fileName, GridView gvMain) { //当前对话 System.Web.HttpContext curContext = System.Web.HttpContext.Current; //IO用于导出并返回excel文件 System.IO.StringWriter strWriter = null; System.Web.UI.HtmlTextWriter htmlWriter = null; if (gvMain.DataSource != null) { //设置编码和附件格式 curContext.Response.Clear(); curContext.Response.Buffer = true; //System.Web.HttpUtility.UrlEncode(FileName, System.Text.Encoding.UTF8)作用是方式中文文件名乱码 curContext.Response.AddHeader("content-disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8) + ".xls"); curContext.Response.ContentType = "application/vnd.ms-excel"; //解决输出的内容为乱码问题 curContext.Response.Write("<meta http-equiv=Content-Type content=text/html;charset=UTF-8>"); //导出Excel文件 strWriter = new System.IO.StringWriter(); htmlWriter = new System.Web.UI.HtmlTextWriter(strWriter); //下载到客户端 gvMain.RenderControl(htmlWriter); curContext.Response.Write(strWriter.ToString()); curContext.Response.End(); } }
|