Copy Code code as follows:
<table style= "width:100%" >
<tr>
<td>
<asp:validationsummary id= "ValidationSummary1" runat= "Server"/>
<br/>
<asp:fileupload id= "FileUpload1" runat= "Server"/>
<asp:button id= "Btn_upload" runat= "Server" onclick= "Btn_upload_click"
text= "Upload"/>
<asp:customvalidator id= "CustomValidator1" runat= "Server"
Controltovalidate= "FileUpload1" display= "Static"
Errormessage= "You should can upload image file such as files with. jpg or gif extension"
Onservervalidate= "Image_validate" >*</asp:CustomValidator>
</td>
</tr>
</table>
ADD to code behind CS file
Copy Code code as follows:
Using System;
Using System.Data;
Using System.Configuration;
Using System.Collections;
Using System.Web;
Using System.Web.Security;
Using System.Web.UI;
Using System.Web.UI.WebControls;
Using System.Web.UI.WebControls.WebParts;
Using System.Web.UI.HtmlControls;
Using System.IO;
Using System.Drawing;
public partial class Practice_FileUpload:System.Web.UI.Page
{
protected void Page_Load (object sender, EventArgs e)
{
}
protected void Btn_upload_click (object sender, EventArgs e)
{
if (Page.IsValid)
{
String path = @Page. MapPath ("user_edit.aspx"). Replace ("user_edit.aspx", "") + "documents\\";
string s = path + session["UserName"]. ToString ();
if (! System.IO.Directory.Exists (path + session["UserName"). ToString ()))
{
System.IO.Directory.CreateDirectory (path + session["UserName"). ToString ());
}
if (fileupload1.hasfile)
{
Fileupload1.saveas (Server.MapPath ("~/seeker/documents/" + session["UserName"). ToString () + "/" + this. Fileupload1.filename));
}
}
}
protected void Image_validate (object source, ServerValidateEventArgs args)
{
String fileext = Path.getextension (fileupload1.filename). ToLower ();
String fileName = Path.getfilename (fileupload1.filename);
if (Fileext!= ". jpg" && fileext!= ". gif")
{
Args. IsValid = false;
}
}
protected void Customvalidator2_servervalidate (object source, ServerValidateEventArgs args)
{
Bitmap BmIP = new Bitmap (FileUpload1.PostedFile.InputStream);
if (Bmip.width > | bmip.height > 100)
{
Args. IsValid = false;
}
Else
{
Args. IsValid = true;
}
}
}
The default size of files uploaded by the FileUpload control is 4MB. This solution is found from the Internet.
It is worth noting that the default upload file for the FileUpload maximum of 4MB. It was found on the Internet.
If you want to increase, you can make changes in Machine.config
Copy Code code as follows:
executiontimeout = "a" [in Seconds][number
Maxreq Uestlength = "4096" [number]
Requestlengthdiskthreshold = "[number]
useFullyQualifiedRedirectUrl =" false " [True|false]
minFreeThreads = "8" [number]
minLocalRequestFreeThreads = "4" [number]
appRequestQueueLimit = "5000" [num BER]
Enablekerneloutputcache = "true" [True|false]
Enableversionheader = "true" [True|false]
Apartmentth Reading = "false" [True|false]
requireRootedSaveAsPath = "true" [True|false]
Enable = "true" [True|false]
sendcachecontrolheader = "true" [True|false]
shutDownTimeout = "[in Seconds][number]
Delaynotificationti Meout = "5" [in Seconds][number]
waitChangeNotification = "0" [number]
Maxwaitchangenotification = "0" [number ]
Enableheaderchecking = "true" [True|false]
/>
