Retrieve Image from Oracle DataBase in c#

if (AsyncUploadFront.HasFile == false && AsyncUploadBack.HasFile == false)
       {
            divMsg.Visible = true;
            lblMsg.Text = "Please select files to upload";
            return;
       }

if (!checkFileType(AsyncUploadFront.FileName))
       {
            divMsg.Visible = true;
            lblMsg.Text = "Invalid file format. Allowed formats are png, jpg & gif.";
            return;
       }

if (!checkFileType(AsyncUploadBack.FileName))
       {
             divMsg.Visible = true;
             lblMsg.Text = "Invalid file format. Allowed formats are png, jpg & gif.";
             return;
       }

var frontImage = string.Format("{0}_{1}_front{2}", txtAccountNo.Text.Trim(), dateString, frontExt);
var backImage = string.Format("{0}_{1}_back{2}", txtAccountNo.Text.Trim(), dateString,backExt);

//upload images
if (!UploadImage(AsyncUploadFront, frontImage))
   {
         divMsg.Visible = true;
         lblMsg.Text = "Unable to upload cheque front image.";
         return;
   }

if (!UploadImage(AsyncUploadBack, backImage))
   {
          divMsg.Visible = true;
          lblMsg.Text = "Unable to upload cheque back image.";
          return;
   }

private bool UploadImage(FileUpload file, string name)
   {
       string filePath;
       string folder = ConfigurationManager.AppSettings["ImagefileLocation"];

       // Save the uploaded file to the server.
          filePath = folder + name;

      if (File.Exists(filePath))
         {
             return false;
         }
         else
         {
            file.PostedFile.SaveAs(filePath);
            return true;
         }
   }

private void loadgrid()
        {
             imgFront.ImageUrl = "~/ChqImages/" + data.ImageFront;
             imgBack.ImageUrl = "~/ChqImages/" + data.ImageBack;
        }

<tr>
<td><asp:Label ID="lblImageFront" ForeColor="Black" runat="server" Visible="true" Text ="Image Front"></asp:Label></td>
<td><asp:Image ID="imgFront" runat="server" Width="218px"/>
</td>
</tr>
<tr>
<td><asp:Label ID="lblimgBack" ForeColor="Black" runat="server" Visible="true" Text="Image Back"></asp:Label></td>
<td><asp:Image ID="imgBack" runat="server" Width="218px"/></td>
</tr>