http ：//www.aspdotnet-suresh.com/2011/01/how-to-insert-images-into-database-and.html [ ^ ]



http：// www。 aspdotnet-suresh.com/2011/03/how-to-save-images-into-folder-and.html [ ^ ]



http://www.aspdotnet-suresh.com/2012/02/saveupload-files-in-folder-and-download.html [ ^ ]

嗨。这段代码可以帮到你。我不测试他们！ ;）

用于保存文件使用：

 FileUpload1.SaveAs（Server.MapPath（Books /）+ FileUpload1.FileName）; 

用于文件类型检查的
使用这个返回答案（看起来更好切换！）：

 if（
（System.IO.Path.GetExtension（FileUpload1.FileName）==.jpg）||（System.IO.Path.GetExtension（FileUpload1.FileName）==）。 jpeg）||（System.IO.Path.GetExtension（FileUpload1.FileName）==。bmp）||（System.IO.Path.GetExtension（FileUpload1.FileName）==。gif）||（ System.IO.Path.GetExtension（FileUpload1.FileName）==.ico）||（System.IO.Path.GetExtension（FileUpload1.FileName）==。png）
）

 {some code} 
 else 
 {some code} 

  if （FileUpload1.HasFile）
 {
 string  name = Path.GetFileName（FileUpload1.PostedFile 。文件名）; 
 string  location = Server.MapPath（  〜/ docs / + name）; 
 FileUpload1.SaveAs（location）; 
 SqlCommand cmd =  new  SqlCommand（）; 
 cmd.CommandText =   insert into upload（FileName）values（@FileName）; 
 cmd.Parameters.AddWithValue（  @ FileName，name）; 
 cmd.Connection = con; 
 con.Open（）; 
 int  result = cmd.ExecuteNonQuery（）; 
 if （结果>   0 ）
 lblMessage.Visible =  true ; 
 lblMessage.Text =  文件已保存; 
 cmd.Dispose（）; 
 con.Close（）; 

使用自定义验证控件来控制可上传的文件

正则表达式 验证文件格式 for  .jpeg 或 .JPEG 或 .gif 或 .GIF 或 .png 或 .PNG 

 Re = / ^（（[a-zA-Z] :) |（\\ { 2 } \w +）\ 

Hello Friends
i want to upload file in ASP.NET
i am using the following code.


<asp:DataList ID="dlist" runat="server" RepeatColumns="3">
<itemtemplate>
<asp:Image ID="img1" runat="server"
ImageUrl=''<%# Eval("Name", "~/Images/{0}") %>''
style="width:200px;height:200px;"/>


<%# Eval("Name", "~/Images/{0}") %>

and on button click

protected void Page_PreRender(object sender, EventArgs e)
   {
       string upFolder = MapPath("~/Images/");
       DirectoryInfo dir = new DirectoryInfo(upFolder);
       dlist.DataSource = dir.GetFiles();
       dlist.DataBind();
   }
   protected void Button1_Click(object sender, EventArgs e)
   {
       try
       {
           if (FileUpload1.HasFile)
           {
               if (CheckFileType(FileUpload1.FileName))
               {
                   String filePath = "~/Images/" + FileUpload1.FileName;
                   FileUpload1.SaveAs(Server.MapPath(filePath));
               }
           }
       }
       catch (Exception ee)
       {
           Response.Write("Message : " + ee.Message);
           Response.Write(ee.StackTrace);
       }
   }
   bool CheckFileType(string fileName)
   {
       string ext = Path.GetExtension(fileName);
       switch (ext.ToLower())
       {
           case ".gif":
               return true;
           case ".png":
               return true;
           case ".jpg":
               return true;
           case ".jpeg":
               return true;
           default:
               return false;
       }
   }


is there any short way to upload the file ...IF yes then please help me..
Please give answer..
Thanks a lot.

http://www.aspdotnet-suresh.com/2011/01/how-to-insert-images-into-database-and.html[^]

http://www.aspdotnet-suresh.com/2011/03/how-to-save-images-into-folder-and.html[^]

http://www.aspdotnet-suresh.com/2012/02/saveupload-files-in-folder-and-download.html[^]

Hi . this code may help you . i don''t test them ! ;)
for save file use this :

FileUpload1.SaveAs(Server.MapPath("Books/") +FileUpload1.FileName);

for file-type check use this that return the answer ( seem better that switch!) :

if(
(System.IO.Path.GetExtension(FileUpload1.FileName) == ".jpg") || (System.IO.Path.GetExtension(FileUpload1.FileName) == ".jpeg") || (System.IO.Path.GetExtension(FileUpload1.FileName) == ".bmp") || (System.IO.Path.GetExtension(FileUpload1.FileName) == ".gif") || (System.IO.Path.GetExtension(FileUpload1.FileName) == ".ico") || (System.IO.Path.GetExtension(FileUpload1.FileName) == ".png")
)

{some code}
else
{some code}

if (FileUpload1.HasFile)
        {
            string name = Path.GetFileName(FileUpload1.PostedFile.FileName);
            string location = Server.MapPath("~/docs/" + name);
            FileUpload1.SaveAs(location);
            SqlCommand cmd = new SqlCommand();
            cmd.CommandText = "insert into upload (FileName) values (@FileName)";
            cmd.Parameters.AddWithValue("@FileName", name);
            cmd.Connection = con;
            con.Open();
            int result = cmd.ExecuteNonQuery();
            if (result > 0)
                lblMessage.Visible = true;
            lblMessage.Text = "File saved";
            cmd.Dispose();
            con.Close();

use custom validation control to control the documents that can be uploaded

Regular expression to validate file formats for .jpeg or .JPEG or .gif or .GIF or .png or .PNG

Re= /^(([a-zA-Z]:)|(\\{2}\w+)\