themes = db.Themes.ToList();

             foreach (var item in themes)
                {
                  if (item.themeImage != null)
                    {
                        string imageBase = Convert.ToBase64String(item.themeImage);
                        imageSource1 = string.Format("data:image/gif;base64,{0}", imageBase);
                    }

                  if (theme == beach && item.themeID == 1)
                    {
                       <text>
                        <div class="jumbotron" id="@item.themeID" img src="@item.themeImage">
                       </text>


                    }

                 else if (theme == animals && item.themeID == 2)
                    {
                        <text>
                        <div class="jumbotron" id="@item.themeID" style="background-image:@imageSource1; background-size:cover">
                        </text>
                    }

                  else if (theme == kitchen && item.themeID == 3)
                    {
                        <text>
                        <div class="jumbotron" id="@item.themeID" style="background-image:@imageSource1; background-size:cover">
                        </text>
                    }
                    }

                   }