Thumbnail

[EDN Admin]

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protected void Button1_Click(object sender, EventArgs e)
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{
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//Get Filename from fileupload control
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string filename = Path.GetFileName(FileUpload1.PostedFile.FileName);
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//Save images into Images folder
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FileUpload1.SaveAs(Request.MapPath("/Images/uploaded/" + filename));
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//Getting dbconnection from web.config connectionstring
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SqlConnection connection = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ToString());
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using (SqlDataAdapter adapter = new SqlDataAdapter("select ImageName from Images", connection))
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//Open the database connection
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{
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DataTable dt = new DataTable();
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adapter.Fill(dt);
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DataList1.DataSource = dt;
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DataList1.DataBind();
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}
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connection.Open();
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//Query to insert images path and name into database
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SqlCommand cmd = new SqlCommand("Insert into Images(ImageName) values(@ImageName)", connection);
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//Passing parameters to query
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cmd.Parameters.AddWithValue("@ImageName", filename);
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cmd.ExecuteNonQuery();
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//Close dbconnection
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connection.Close();
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string strImage = FileUpload1.FileName.ToString();
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if(FileUpload1.HasFile)
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{
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strImage = FileUpload1.FileName.ToString();
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//check whether the file exists or not
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if (!File.Exists(Request.MapPath("/Images/uploaded/") + strImage)) //testing
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{
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//create a new file name with grid
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strImage = Guid.NewGuid().ToString().Substring(0,8) + strImage.Substring(strImage.IndexOf(.));
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}
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//save the file
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FileUpload1.SaveAs(Request.MapPath("/Images/uploaded/") + strImage); //testing
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}
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}
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public bool ThumbnailCallback()
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{
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return false;
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}
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protected void btnGenerateThumbNail_Click(object sender, EventArgs e)
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{
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/* Get Image From FileUpload Control and Save it */
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if (FileUpload1.HasFile)
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{
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string FileName = FileUpload1.FileName;
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string ImageFolderPath = Request.MapPath("/Images/uploaded/");
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string SavePath = ImageFolderPath + "/" + FileName;
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FileUpload1.SaveAs(SavePath);
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System.Drawing.Image image = System.Drawing.Image.FromFile(SavePath);
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/* callback */
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System.Drawing.Image.GetThumbnailImageAbort callback = new System.Drawing.Image.GetThumbnailImageAbort(ThumbnailCallback);
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/* Generate Thumbnail */
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System.Drawing.Image ThumbImage = image.GetThumbnailImage(64, 64, callback, IntPtr.Zero);
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ThumbImage.Save(ImageFolderPath + "/Thumb_" + FileName);
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}
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}
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Is there anything wrong with my code? The picture wont appear after I click on upload button.


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