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【Asp.Net】显示二进制图片

作者:珍冰 / 发布于2014/10/13/ 938


	源页面代码：a.aspx
	后台代码为：
	img.ImageUrl = "b.aspx?ImgID=" + 1;
	显示图片页面 b.aspx
	后台代码：
	object s = Request.QueryString["ImgID"]; //;
	 if (s != null)
	 {
	 string connectionString = ConfigurationSettings.AppSettings["SQLConnectionStr"];
	 using (SqlConnection myConnection = new SqlConnection(connectionString))
	 {
	 SqlCommand myCommand = new SqlCommand("Select drawing from DAT_ITEM_master Where item_uid=" + s.ToString(), myConnection);
	 try
	 {
	 myConnection.Open();
	 SqlDataReader myDataReader;
	 myDataReader = myCommand.ExecuteReader();
	 if (myDataReader.Read())
	 {
	 if (myDataReader["drawing"] is DBNull)
	 return;
	 Response.Clear();
	 Response.ContentType = "application/octet-stream";
	 Response.BinaryWrite((byte[])myDataReader["drawing"]);
	 }
	 }
	 catch (SqlException SQLexc)
	 {
	 Response.Write(SQLexc.ToString());
	 }
	 }
	 }
	 }

试试其它关键字

　二进制图片　　二进制　

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