zoukankan      html  css  js  c++  java
  • DataTable导出到Excel

            #region  DataTable导出到Excel
            /// <summary>
            /// DataTable导出到Excel
            /// </summary>
            /// <param name="pData">DataTable</param>
            /// <param name="pFileName">导出文件名</param>
            /// <param name="pHeader">导出标题以|分割</param>
            public static void DataTableExcel(System.Data.DataTable pData, string pFileName, string pHeader)
            {
                System.Web.UI.WebControls.DataGrid 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 (pData != null)
                {
                    string UserAgent = curContext.Request.ServerVariables["http_user_agent"].ToLower();
                    if (UserAgent.IndexOf("firefox") == -1)//火狐浏览器
                        pFileName = HttpUtility.UrlEncode(pFileName, System.Text.Encoding.UTF8);
    
                    curContext.Response.AddHeader("Content-Disposition", "attachment; filename=" + pFileName + ".xls");
                    curContext.Response.ContentType = "application/vnd.ms-excel";
                    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DataGrid 
                    dgExport = new System.Web.UI.WebControls.DataGrid();
                    dgExport.DataSource = pData.DefaultView;
                    dgExport.AllowPaging = false;
                    dgExport.ShowHeader = false;//去掉标题
                    dgExport.DataBind();
    
                    string[] arrHeader = pHeader.Split('|');
                    string strHeader = "<table border=\"1\" style=\"background-color:Gray;font-weight:bold;\"><tr>";
                    foreach (string j in arrHeader)
                    {
                        strHeader += "<td>" + j.ToString() + "</td>";
                    }
                    strHeader += "</tr></table>";
                    // 返回客户端 
                    dgExport.RenderControl(htmlWriter);
                    string strMeta = "<meta http-equiv=\"content-type\" content=\"application/ms-excel; charset=UTF-8\"/>";
                    curContext.Response.Write(strMeta + strHeader + strWriter.ToString());
                    curContext.Response.End();
                }
            }
            #endregion
  • 相关阅读:
    事件处理器(eventhandler,或称为事件处理程序)onload
    HTML语言中img标签的alt属性和title属性的作用于区别
    nexus 开机自启动
    idea 上传jar包到nexus
    Spark standalone HA
    spark 性能优化指南
    spark 体验点滴- executor 数量 和task 并行数
    spark 体验点滴-client 与 cluster 部署
    aop concepts
    部署jar到linux ,开机自启动
  • 原文地址:https://www.cnblogs.com/52net/p/3044633.html
Copyright © 2011-2022 走看看