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第三方Girdview中文件下载的方法,以及js显示图片
/// <summary>
/// 文件下载事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Grid_OnCopyInsertClick(object sender, EventArgs e) {
LinkButton LBut = sender as LinkButton;
string sellContractScanId = LBut.CommandName;
string url = "";
string name = "";
foreach (DataRow dr in griViewTable.Rows) {
if (dr["序号"].ToString().Equals(sellContractScanId)) {
url = dr["路径"].ToString();
name = dr["文件名称"].ToString();
break;
} }
if (System.IO.File.Exists(HttpContext.Current.Server.MapPath(url))) {
Response.Redirect("UserInfoScanDownload.aspx?FilePath=" + url + "&FileName=" + name);
}
else
{ bp.Alert("文件不存在!");
}
BasePage bp = null;
protected void Page_Load(object sender, EventArgs e) {
if (Request["FilePath"] == null)
return;
if (Request["FileName"] == null)
return;
string fileRpath = Request["FilePath"].ToString();
string fileName = Request["FileName"].ToString();
if (System.IO.File.Exists(HttpContext.Current.Server.MapPath(fileRpath))) {
Response.ClearHeaders();
Response.Clear();
Response.Expires = 0;
Response.Buffer = true;
Response.AddHeader("Accept-Language", "zh-tw");
string name = System.IO.Path.GetFileName(fileRpath);
System.IO.FileStream files = new FileStream(HttpContext.Current.Server.MapPath(fileRpath), FileMode.Open, FileAccess.Read, FileShare.Read); byte[] byteFile = null;
if (files.Length == 0) {
byteFile = new byte[1];
}
else
{
byteFile = new byte[files.Length];
}
files.Read(byteFile, 0, (int)byteFile.Length);
files.Close();
Response.AddHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8)); Response.ContentType = "application/octet-stream;charset=gbk";
Response.BinaryWrite(byteFile);
Response.End();
}
}
第三方Girdview中文件下载的方法,以及js显示图片