图像保存格式并在asp.net中检索..? [英] image saving format and retrieving in asp.net,..?

问题描述

任何人都可以解决我的问题.....
请检查我的声明格式是否正确.

hi can any one solve my problem.....
please just check my declaration is in correct format or not..

if (dt.Rows.Count > 0)
       {
           lblPrice.Text = dt.Rows[0]["Price"].ToString();
           ImageUrl.ImageUrl = dt.Rows[0]["ImageUrl"].ToString();
       }

dis是设计源代码

dis is Design Source Code

<asp:Image ID="ImageUrl" runat="server" ImageUrl=''<%#Eval("ImageUrl") %>''></asp:Image>

protected void Button1_Click(object sender, EventArgs e)
   {
        string Price = "";
        Image ImageUrl = "";//is this in correct format
   }

Price = lblPrice.Text;
ImageUrl = ImageUrl;//how to write code here//

SqlParameter paraImageUrl = new SqlParameter("@ImageUrl", SqlDbType.VarChar,50);
paraImageUrl.Value = ImageUrl;
cmd.Parameters.Add(paraImageUrl);

推荐答案

lblImage.ImageUrl = dt.Rows[0]["ImageUrl"].ToString();

 

2.

 string ImageUrl = "";

 
3.

ImageUrl = lblImage.ImageUrl;

图像以二进制格式存储在数据库中，并检索其各自的内容类型.
以下是一些有用的链接，可帮助您从数据库中存储和检索图像.

如何从SQL Server存储和获取图像 [将图像存储在sqlserver中 [保存和读取图像数据库 [

The images are stored in database are in binary format and retrive with their respective content type.
Here are some useful links that helps you to store and retrive images from database.

how to store and fetch images from SQL server[^]

store images in sqlserver[^]

Save and Read Image Database[^]

1.

lblImage.ImageUrl = dt.Rows[0]["ImageUrl"].ToString();

2.

2.

string ImageUrl = "";

3.

3.

ImageUrl = lblImage.ImageUrl;

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