string strImgID = Request.QueryString["ImgID"];
string nstrSql = "Select TopImg From T_EPub_Img Where Img_ID='"+strImgID+"'";
nclsDBData.OpenDB();
SqlCommand ncmdCommand = new SqlCommand(nstrSql,nclsDBData.Conn);
SqlDataReader ndrReader =ncmdCommand.ExecuteReader();
if(ndrReader.Read())
{
Response.Clear();
Response.ContentType = "image/jpeg";
Response.BinaryWrite( (byte[]) ndrReader[0] );
Response.End();
}
ndrReader.Close();
nclsDBData.CloseDB();
string nstrSql = "Select TopImg From T_EPub_Img Where Img_ID='"+strImgID+"'";
nclsDBData.OpenDB();
SqlCommand ncmdCommand = new SqlCommand(nstrSql,nclsDBData.Conn);
SqlDataReader ndrReader =ncmdCommand.ExecuteReader();
if(ndrReader.Read())
{
Response.Clear();
Response.ContentType = "image/jpeg";
Response.BinaryWrite( (byte[]) ndrReader[0] );
Response.End();
}
ndrReader.Close();
nclsDBData.CloseDB();
而且会把其它的东西如文字覆盖了。
后来在别人的建议下,
我把读图片的专门做了一个页面,
然后通过Response.Write("<img src=index.aspx?ImgID=**>")来读取图片。
显示图片作为一个单独的页面,如showimg.aspx
在要显示图片的页面中如此使用<img src='showimg.aspx?ImgID=1'>
你可以这样试试看
Response.AddHeader("Content-Disposition", "inline; filename=" + imageid + ".gpj");
while(dr.Read())
{
Response.BinaryWrite( (byte[]) dr["side"] );
Response.Write("<br>");
}
{
Response.Clear();
Response.ClearHeaders();
Response.Buffer = false;
Response.ContentType = dsFile.Tables[0].Rows[0]["FileType"].ToString();
Response.BinaryWrite(byteFileContent);
Response.Flush();
Response.End();
}我怎么没发现有这样的问题?