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Retrieving Excel Data To combobox

Posted By:satyapriyanayak       Posted Date: July 02, 2013    Points: 40    Category: Visual Studio    URL: http://www.dotnetspark.com  

Retrieving Excel Data To combobox

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using System.Data.OleDb;


namespace Retrieving_excel_data_to_combobox


    public partial class Form1 : Form


        public OleDbConnection con;

        public void pintu(string s)


            con = new OleDbConnection("provider=Microsoft.Jet.OLEDB.4.0; " + "data source='" + s + " '; " + "Extended Properties=Excel 8.0;");



        public OleDbCommand com;

        public DataSet ds;

        public OleDbDataAdapter oledbda;

        public DataTable dt;

        public string str;


        public Form1()





        private void btnbrowse_Click(object sender, EventArgs e)


            OpenFileDialog openfiledialog1 = new OpenFileDialog();


            openfiledialog1.Filter = "allfiles|*.xls";

            TextBox1.Text = openfiledialog1.FileName;




        private void Form1_Load(object sender, EventArgs e)


            comboBox1.Text = "Please select";



        private void btndisplay_Click(object sender, EventArgs e)






                str = "select * from [sheet1$]";

                com = new OleDbCommand(str, con);

                ds = new DataSet();

                oledbda = new OleDbDataAdapter(com);

                oledbda.Fill(ds, "[sheet1$]");


                DataGridView1.DataSource = ds;

                DataGridView1.DataMember = "[sheet1$]";


            catch (Exception ex)









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