How to make the avatar effect with Asp.net FileUpload+Image

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Introduction to use of FileUpLoad Control

The PostedFile property of the FileUpLoad control mainly gets some basic information about the uploaded file.

.ContentLength

Gets the size of the uploaded file. The return value is of type int, in bytes.

Use

1. Judge the size of the uploaded file

If (this.FileUpload1.PostedFile.ContentLength

.axps.cs

The copy code is as follows:

Using System

Using System.Collections.Generic

Using System.Linq

Using System.Web

Using System.Web.UI

Using System.Web.UI.WebControls

Namespace Testcookie

{

Public partial class Fileup: System.Web.UI.Page

{

Protected void Page_Load (object sender, EventArgs e)

{

}

Protected void btnupload_Click (object sender, EventArgs e)

{

Int length= this.FileUpload1.PostedFile.ContentLength;// gets the image size in bytes

If (length