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How to insert data to Excel file using OLEDB

In the previous examples we used Microsoft Excel 12.0 Object Library for read or write to and Excel file . In C# without using Excel Object we can insert , edit , delete , select etc. in cell content of an Excel file using OLEDB .

You have to import System.Data in the project for doing these operations . For add new content in the cell or insert a new content , We can use the INSERT command like in SQL Operations.

sample UPDATE sql

sql = "Insert into [Sheet1$] (id,name) values('5','e')"

The following picture shows before and after update of the Sheet.

csharp-excel-insert-row-oledb



using System;
using System.Drawing;
using System.Windows.Forms;
using Excel = Microsoft.Office.Interop.Excel; 

namespace WindowsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                System.Data.OleDb.OleDbConnection MyConnection ;
                System.Data.OleDb.OleDbCommand myCommand = new System.Data.OleDb.OleDbCommand();
                string sql = null;
                MyConnection = new System.Data.OleDb.OleDbConnection("provider=Microsoft.Jet.OLEDB.4.0;Data Source='c:\\csharp.net-informations.xls';Extended Properties=Excel 8.0;");
                MyConnection.Open();
                myCommand.Connection = MyConnection;
                sql = "Insert into [Sheet1$] (id,name) values('5','e')";
                myCommand.CommandText = sql;
                myCommand.ExecuteNonQuery();
                MyConnection.Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show (ex.ToString());
            }
        }
   }
}

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