谁有类似电子邮件里通讯录导入导出的代码?

Question

谁有类似电子邮件里通讯录导入导出的代码,最好是c＃的 ，支持xls,txt格式 ？

Answer 1

if( this.EspeciallyInfo_Grid.Items.Count == 0 )
{
throw new Exception("没有数据不能导出！");
} string filename="c:\\myexcel";
//将datagrid内容导入到客户端excel文件 datagrid to excel
int ss=EspeciallyInfo_Grid.Items.Count;
this.Response.AddHeader("Content-Disposition",  "attachment; filename="+filename+".xls"); 
this.Response.ContentType = "application/vnd.ms-excel"; 
this.EnableViewState= true; 
System.IO.StringWriter tw = new  System.IO.StringWriter();
System.Web.UI.HtmlTextWriter hw = new  System.Web.UI.HtmlTextWriter(tw); 
EspeciallyInfo_Grid.RenderControl(hw); 
this.Response.Write(tw.ToString()); 
Response.End();