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I've a software in which data is stored in excel database columns are Product_ID & Description. I've included searching feature which displays result based on Product_ID. But the problem is it only retrieves/read/search data when that excel file is open but i want to read data without opening excel file ? Is there any way to do this ???? My code is for searching -:

  public Form3()
    {
        InitializeComponent();
    }
 
    private void button1_Click(object sender, EventArgs e)
    {
        srch();
    }
 
    private void srch()
    {            
        DataTable sheetData = new DataTable();
        string strConn = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source= 'c:\\Product Details.xlsx';Extended Properties='Excel 8.0;HDR=Yes;'";
        string query = "select * from [Sheet1$]" ;
 
        DataSet excelDataSet = new DataSet();
        OleDbDataAdapter da = new OleDbDataAdapter(query, strConn);
        da.Fill(excelDataSet);
        dataGridView1.DataSource = excelDataSet.Tables[0];
        DataView dv = ((DataTable)dataGridView1.DataSource).DefaultView;
        DataView dv_filter = new DataView();
        dv_filter.Table = excelDataSet.Tables[0];
        dv_filter.RowFilter = "Product_ID = '" + textBox1.Text + "'";
        dataGridView1.DataSource = dv_filter;
 
    }       
Posted 15-Jul-13 19:38pm
Comments
HielturryKory 29-Feb-16 8:59am
   
You could use an excel library written in C# for this, the following article demonstrates how to read your excel files in C# (note it does not open the file) and also the following shows how to export that excel's data into a DataTable in C#.

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