protected void imgBtnUpload_Click(object sender, EventArgs e) { if (fileUpload1.HasFile) // CHECK IF ANY FILE HAS BEEN SELECTED. { if (fileUpload1.PostedFile.ContentLength >= SystemConstants.ImageLimitInByte()) { lblUploadStatus.Text = "Maximum file size is 4MB."; lblUploadStatus.ForeColor = Color.Red; } else { if (System.Text.RegularExpressions.Regex.IsMatch(fileUpload1.PostedFile.ContentType, "image/\\S+")) { string ext = fileUpload1.PostedFile.ContentType; if (ext == "bmp" || ext == ".bmp") { lblUploadStatus.Text = ".bmp extension is not supported"; lblUploadStatus.ForeColor = Color.Red; } else { int iFailedCnt = 0; string sFileName = Path.GetFileName(fileUpload1.FileName); if (SizeUploaded <= SystemConstants.MaxActivityImageStorage) { Stream input = fileUpload1.PostedFile.InputStream; byte[] buffer = new byte[input.Length]; using (MemoryStream ms = new MemoryStream()) { int read; while ((read = input.Read(buffer, 0, buffer.Length)) > 0) { ms.Write(buffer, 0, read); } if (isSupported) { UploadedTitle.Text = "Preview"; ProviderImagePreview.ImageUrl = "data:image/jpeg;base64," + Convert.ToBase64String(ms.ToArray()); } else { ProviderImagePreview.Visible = false; lblimageTitle.Visible = true; lblimageTitle.Text = sFileName + " - " + SizeUploaded + "kb"; UploadedTitle.Text = "Uploaded Image"; } hdnImageStream.Value = Convert.ToBase64String(ms.ToArray()); } fileName = fileUpload1.FileName; SizeUploaded = fileUpload1.PostedFile.ContentLength / 1024; ImageUploaded += 1; } else { iFailedCnt += 1; lblUploadStatus.Text += "</br><b>" + iFailedCnt + "</b> file could not be uploaded. Maximum Size per activity is" + SystemConstants.MaxActivityImageStorage + " Kb"; lblUploadStatus.ForeColor = Color.Red; } lblUploadStatus.Text = "Image uploaded."; lblUploadStatus.ForeColor = ColorTranslator.FromHtml("#1B274F"); } } else { lblUploadStatus.Text = "Only image files are accepted."; lblUploadStatus.ForeColor = Color.Red; } } } else { lblUploadStatus.Text = "No files selected."; lblUploadStatus.ForeColor = Color.Red; } lblUploadStatus.Visible = true; if (ImageUploaded > 0) { divUploadSuccessfull.Visible = true; } }