how to update a image in wpf

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C#

Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog();
//dlg.FileName = "Document";
//dlg.DefaultExt = ".txt"; 
dlg.Filter = "jpg files (*.jpg)|*.jpg|gif files (*.gif)|*.gif|jpeg files (*.jpeg)|*.jpeg";
if(dlg.ShowDialog()==true)
{
  var fileName = System.IO.Path.GetFileName(dlg.FileName);
  textBox4.Text=fileName.ToString();
  //var path = System.IO.Path.Combine(HttpContext.Current.Server.MapPath("/Images/"), fileName);
  BitmapImage src = new BitmapImage();
  src.BeginInit();
  src.UriSource = new Uri(textBox4.Text.Trim(), UriKind.Relative);
  src.CacheOption = BitmapCacheOption.OnLoad;
  src.EndInit();
  image1.Source = src;

the error shows
Could not find file 'c:\users\chinmaya\documents\visual studio 2010\Projects\WpfApplication5\WpfApplication5\bin\Debug\Chrysanthemum.jpg'.

Posted 29-Sep-12 1:15am

chinmaya parija1

Updated 29-Sep-12 1:18am

v3

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Sandeep Mewara · Accepted Answer · 2012-09-29T03:50:00

You have defined:

C#

src.UriSource = new Uri(textBox4.Text.Trim(), UriKind.Relative);

Based on that, the filepath formed is pointing to your Bin/Debug folder.

Based on the error, it looks like the image is not placed in Bin/Debug/ folder. You need to make sure that the path is correct.

Have a defined image folder where you keep the images. If inserted, place the image there. At the time of picking it up for showing/editing, use the folder path (fixed and known by you) along with the filename to display.

chinmaya parija1 · Accepted Answer · 2012-09-30T19:53:00

first a folder name(image) in your project inside Bin->Debug folder

C#

Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog();
            dlg.Filter = "jpg files (*.jpg)|*.jpg|gif files (*.gif)|*.gif|jpeg files (*.jpeg)|*.jpeg";
            if (dlg.ShowDialog() == true)
            {
                
                if (!File.Exists(dlg.FileName))
                {
                    var fileName = System.IO.Path.GetFileName(dlg.FileName);
                    textBox4.Text = fileName.ToString();
                    image1.Source = new BitmapImage(new Uri(dlg.FileName, UriKind.Absolute));
                    File.Copy(dlg.FileName, System.IO.Path.Combine(System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "image"), System.IO.Path.GetFileName(dlg.FileName)));
                }
                else
                    MessageBox.Show("This image already exists"+"\n"+"Please upload a new image.");               
            }

how to update a image in wpf

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