Codango: ASP.NET Code Snippet

ASP

JSP

Share The Love

You are 1 of 42 Active ASP.NET Visitors

ASP.NET Home | Resources | Write a Review | My Favor-Its | Login

Image Upload ClassCode Snippet

Hits Today: 3

Read Reviews | Report Errors

[+][+]

0
Reviews

0
Favor-It

This class can be used to check and validate HtmlInputFile before the file is uploaded to the dedicated folder on the web server. Code: ASP.NET v1.1 & C#


		Code Snippet

Code Written By: Reno Adipura

using System;
using System.Web;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Text;
using System.Drawing;

namespace Entity
{

public class ImageUpload
{

public ImageUpload()
{}

public string GetImageName(HtmlInputFile file)
{
        string fileName;
        fileName = System.IO.Path.GetFileName(file.PostedFile.FileName);
        return fileName;
}

public bool GetImageType(HtmlInputFile file)
{
	HttpPostedFile uploadFile = file.PostedFile;

	if (uploadFile.ContentType.ToLower() != @"image/gif" &&
		uploadFile.ContentType.ToLower() != @"image/pjpeg")
	{
		return false;
	}

	return true;

}

public bool GetImageLength(HtmlInputFile file)
{
	bool VALID = true;
	HttpPostedFile uploadFile = file.PostedFile;

	int imageLength = uploadFile.ContentLength;

	if (imageLength > 1000)
	{
		VALID = false;
	}

	return VALID;
}

public int[] GetImageSize(HtmlInputFile file)
{

	HttpPostedFile uploadFile = file.PostedFile;
	int imageLength = uploadFile.ContentLength;

	byte[] binaryImagefile = new byte[imageLength];

	uploadFile.InputStream.Read(binaryImagefile,0,imageLength);

	System.Drawing.Image drawingImage = null;

	drawingImage = System.Drawing.Image.FromStream(new System.IO.MemoryStream(binaryImagefile));

	int x = drawingImage.Width;

	int y = drawingImage.Height;
			
	int[] size;
	size = new int[2];
	size[0] = x;
	size[1] = y;

	return size;

}

public bool SaveImageFile(HtmlInputFile file)
{
	bool SAVED = true;
	HttpPostedFile uploadFile = file.PostedFile;

	string fileName = this.GetImageName(file);

	try
	{
		uploadFile.SaveAs(
		System.Web.HttpContext.Current.Request.MapPath(
		"Images/") + fileName);
	}
	catch
	{
		SAVED = false;
	}

	return SAVED;

}


}

	
}


	Znode Storefront

To use the code above, click and drag your mouse over the code to highlight it. Then right click on the highlighted code and click "Copy." Now you may paste it into your code editor.

Submit Your Own Code to Codango


Link to Us \| About Us		Advertise \| Contact Us \| Website Help
Write a User Review Today! Its Fun, Fast, and Easy!	Codango Home \| PHP \| ASP.NET \| ASP \| JSP Advertise With Us \| About Us \| Terms of Use \| Privacy Policy


� 2010 InfoGenius Inc., All rights reserved