如何在pictureBox中读取图像作为流和显示 [英] How to Read Image as Stream and Display in pictureBox

问题描述

无法从数据库中读取图像作为输入流。



System.Data.SqlClient.SqlDataReader dr = cmd.ExecuteReader（）;

Byte [] imgData =（Byte []）dr [Image]。ToString（）;



或



System.Data.SqlClient.SqlDataReader dr = cmd.ExecuteReader（）;

Byte [] imgData =（Byte []）dr [Image];



无法通过以上陈述完成流程



但是

Byte [] imgData = （Byte []）cmd.ExecuteScaler（）;



工作正常,,,,,但我是在使用ExecuteReader（）

帮我解决这个问题

解决方案

详细参考这个论坛，你可以解决问题。

http://forums.asp.net/t/1824646.aspx [ ^ ]

having trouble to read image as input stream from database.

System.Data.SqlClient.SqlDataReader dr = cmd.ExecuteReader();
Byte[] imgData = (Byte[])dr["Image"].ToString();

or

System.Data.SqlClient.SqlDataReader dr = cmd.ExecuteReader();
Byte[] imgData = (Byte[])dr["Image"];

cant get process done through above statements

but
Byte[] imgData = (Byte[])cmd.ExecuteScaler();

works fine,,,,, but i was to be doing using multiple records using ExecuteReader()
Help me out to sort this issue

解决方案

Refer this forum in detail where you can get your problem solved.
http://forums.asp.net/t/1824646.aspx[^]

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