在asp.net中显示图像

Question

In the below code I have document I want to check whether it is jpeg format, and if it is, it should display the image. Please help me to do this.

public string strName = "Sample";
public string strFolder = "Documents";

if (!IsPostBack)
{
   var SearchDoc = (SearchDoc)Session["Documentname"];
   string Imgdocname = SearchDoc.DocumentName;

   string fileExt = System.IO.Path.GetExtension(Imgdocname);
   fileExt = fileExt.ToLower();

   if (fileExt == ".jpeg" || fileExt == ".jpg")
   {
      docimg.ImageUrl = "C:\\Search\\" + strName + "\\" + strFolder + "\\" + Imgdocname;
      docimg.Visible = true;

      Response.Write("Success");
   }
   else
   {
      Response.Write("fail");
   }
}

<asp:Image ID="docimg" runat="server" />

Answer 1

Try this code

string fileExt = System.IO.Path.GetExtension(Imgdocname);
fileExt = fileExt.ToLower();
if (fileExt == ".jpeg" || fileExt == ".jpg")
{
   docimg.ImageUrl = @"C:\\Search\\" + strName + "\\" + strFolder + "\\" + Imgdocname;
}
else
{
   Response.Write("fail");
}

<asp:Image ID="docimg" runat="server" />