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Razor HTML Code    <img width="130" class="img-bordered" src="@Url.Action("RenderImage", new { path= "yourpath" })" height="100" alt="NONE" /> C# Code Action    public async Task<ActionResult> RenderImage(string path)         {             string path = Server.MapPath(path);             if (System.IO.File.Exists(path))             {                 var b = System.IO.File.ReadAllBytes(path);                 return File(b, "image/jpeg");             }             else   ...

 var gv = new GridView();  StringWriter objStringWriter = new StringWriter();   HtmlTextWriter objHtmlTextWriter;  gv.DataSource = Dt;  (Set DataTable or List Data)                     gv.DataBind();                     Response.ClearContent();                     Response.Buffer = true;                     Response.AddHeader("content-disposition", "attachment; filename=schoollist.xls");                     Response.ContentType = "application/ms-excel";      ...

How to update row of a list ? code snippet to selected item of a select list in C# MVC list.Where(x => x.Value.ToString() == id.ToString()).FirstOrDefault().Selected = true;