Insert Data using Uploading Excel file and upload image and set water mark
Demo.aspx < body > < form id ="form1" runat ="server"> < div > < table > < tr > < td >< asp : FileUpload ID ="fu" runat ="server" /></ td > < td >< asp : Button ID ="btnupload" runat ="server" Text ="Upload File" onclick ="btnupload_Click" /></ td > </ tr > </ table > </ div > </ form > </ body > Demo.aspx.cs using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.IO; using System.Data; using System.Data.OleDb; using System.Drawing; using System.Draw...