使用asp.net从gridview控件下载文件 [英] Download file from gridview control using asp.net

问题描述

亲爱的，



使用asp.net从gridview控件下载word文件？

这里有小错误请点击下面请检查请回复我



源代码：

<前lang =c＃> 受保护 void Page_Load（ object sender，EventArgs e）
{
格（）;
}

private void grid（）
{
SqlConnection con = new SqlConnection（ConfigurationManager.ConnectionStrings [ ConnectionString的]的ConnectionString）。
string query = 选择姓名，照片来自ImageUpdate;
SqlDataAdapter da = new SqlDataAdapter（query，con）;
DataTable table = new DataTable（）;
da.Fill（table）;
GridView1.DataSource = table;
GridView1.DataBind（）;

}
protected void GridView1_SelectedIndexChanged（ object sender，EventArgs e）
{
string filename = 选择姓名，照片来自ImageUpdate，其中Email = @ Email;
Response.ContentType = application / octet-stream;
Response.AppendHeader（ Content-Disposition， attachment; filename = + filename）;
string aaa = Server.MapPath（ 〜/ ProductImage / + filename）;
Response.TransmitFile（Server.MapPath（ 〜/ ProductImage / + filename）） ;
Response.End（）;
}

解决方案

下面链接提供上传和下载文件到gridview你只能参考下载部分



上传和下载文件 [ ^ ]

Dear All,

Download word file from gridview control using asp.net?
here small error is coming in below please check and reply me please

source code:

protected void Page_Load(object sender, EventArgs e)
{
grid();
  }

private void grid()
    {
        SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["connectionstring"].ConnectionString);
        string query = "select Name,Photo from ImageUpdate";
        SqlDataAdapter da = new SqlDataAdapter(query, con);
        DataTable table = new DataTable();
        da.Fill(table);
        GridView1.DataSource = table;
        GridView1.DataBind();

    }
protected void GridView1_SelectedIndexChanged(object sender, EventArgs e)
{
string filename = "select Name,Photo from ImageUpdate where Email=@Email";
Response.ContentType = "application/octet-stream";
Response.AppendHeader("Content-Disposition", "attachment;filename=" + filename);
string aaa = Server.MapPath("~/ProductImage/" + filename);
Response.TransmitFile(Server.MapPath("~/ProductImage/" + filename));
Response.End();
}

解决方案

Below link gives upload and download file to gridview you can refer only download part

Upload and download file[^]

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