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分享System.Data.DataTable table = new System.Data.DataTable();
table.Columns.Add(new System.Data.DataColumn("FileName", typeof(System.Int64)));
System.IO.DirectoryInfo d = new System.IO.DirectoryInfo(Server.MapPath("~/uploadpic/images/20110929"));
System.IO.FileInfo[] fs = d.GetFiles("*.jpg");
foreach (System.IO.FileInfo n in fs)
{
table.Rows.Add(new object[] {Convert.ToInt64(n.Name.Substring(0,n.Name.IndexOf(".")) )});
}
System.Data.DataView dv = table.DefaultView;
dv.Sort = "FileName asc";
GridView1.DataSource = dv;
GridView1.DataBind();