function checkDate(sender,args) { var dt = new Date(); if(sender._selectedDate > dt) { sender ._textbox .set_Value(dt.format(sender._format)); alert(“You cannot Select Date Greater than Today”); } } — call this function on .. ajax calander
Write below code on download button click event…. protected void btnDownload_Click(object sender, EventArgs e) { string imgPath = btnDownload.CommandArgument; // image path goes here…(virtual path) System.IO.FileInfo file = new System.IO.FileInfo(Server.MapPath(imgPath)); if (file.Exists) { HttpContext.Current.Response.AddHeader(“Content-Disposition”, “attachment; filename=drawing”); HttpContext.Current.Response.AddHeader(“Content-Length”, file.Length.ToString()); string strExtention = file.Extension.ToString(); //HttpContext.Current.Response.ContentType = “application/octet-stream”; HttpContext.Current.Response.ContentType = strExtention; HttpContext.Current.Response.WriteFile(file.FullName); HttpContext.Current.Response.End(); } else { lblError.Text = …