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导出代码
/// <summary>
/// 导出Excel
/// </summary>
/// <param name="dt"></param>
/// <param name="ExportFileName"></param>
protected void ExcelExport(DataTable dt, string ExportFileName)
{
DataGrid dgExcel = new DataGrid();
dgExcel.DataSource = dt;
dgExcel.DataBind();
HttpContext.Current.Response.Charset = "GB2312";
HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");
HttpContext.Current.Response.ContentType = "application/ms-excel";
HttpContext.Current.Response.Write("<meta http-equiv=Content-Type content=\"text/html; charset=GB2312\">");
string dateStr = DateTime.Now.ToString("yyyyMMddHHmmss");
string fileName = System.Web.HttpUtility.UrlEncode(ExportFileName + "-" + dateStr, System.Text.Encoding.UTF8);
Response.AppendHeader("content-disposition", "attachment;filename=\"" + fileName + ".xls\"");
this.EnableViewState = false;
StringWriter sw = new StringWriter();
HtmlTextWriter htmTextWriter = new HtmlTextWriter(sw);
dgExcel.RenderControl(htmTextWriter);
Response.Write(sw);
Response.End();
}
调用代码
protected void btnExcel_Click(object sender, EventArgs e)
{
DataTable dt = new DataTable();
ClsDB clsd = new ClsDB();
string sqlstr = "select * from educationinfo where isdelete = 0";
dt = clsd.GetDataTable(sqlstr);
if (dt.Rows.Count == 0)
Response.Write("<script>alert('没有数据,不导出!');</script>");
else
{
//导出excel
ExcelExport(dt, "学历信息");
}
}