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Friday, 10 February 2017

Most Effective Way of Exporting DataTable to Excel

How to Export DataTable to Excel using c#

As you know Export data as Excel file in C# is one of the most used functionality in the applications. So here, I am going to sharing how to Export data as Excel using C#.

Following is simple c# code that export data as Excel

     public void ExportToExcel()
            //Fetching user records with GetUserDetails method.
            /// Here you can write your own code to fetch recodes as per you DB connections.
            var UserList = repositoryUser.GetUserDetails();

            DataTable dt = new DataTable();
            dt.Columns.AddRange(new DataColumn[5] { new DataColumn("ID", typeof(long)),
            new DataColumn("Name", typeof(string)),
            new DataColumn("Age", typeof(int)),
            new DataColumn("Address", typeof(string)),
            new DataColumn("DOB", typeof(string)),
            foreach (var x in UserList)
                dt.Rows.Add(x.ID, x.Name, x.Age, x.Address, x.DOB);

            GridView GridView1 = new GridView();
            GridView1.AllowPaging = false;
            GridView1.DataSource = dt;

            Response.Buffer = true;
            Response.AddHeader("content-disposition", "attachment;filename=User.xls");
            Response.Charset = "";
            Response.ContentType = "application/";
            StringWriter sw = new StringWriter();
            HtmlTextWriter hw = new HtmlTextWriter(sw);

            for (int i = 0; i < GridView1.Rows.Count; i++)
                //adding class text style to each Row
                GridView1.Rows[i].Attributes.Add("class", "rowcss");

            //Apply style to format numbers to string
            string style = @"<style>.rowcss { mso-number-format:\@; } </style>";



Export data as Excel file in C#
Export data as PDF file in C#
Export data as CSV file in C#
Export data as Word file in C#

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