private void Button1_Click(object sender, System.EventArgs e) { // Catalog Name string strCatalog = "TestCatalog"; string strQuery=""; strQuery = "Select DocTitle,Filename,Size,PATH,URL from Scope() where FREETEXT('" +TextBox1.Text+ "')"; // TextBox1.Text is the word that you type in the text box to query by using Indexing Service. string connstring = "Provider=MSIDXS.1;Integrated Security .='';Data Source="+strCatalog; System.Data.OleDb.OleDbConnection conn = new System.Data.OleDb.OleDbConnection(connstring); conn.Open(); System.Data.OleDb.OleDbDataAdapter cmd = new System.Data.OleDb.OleDbDataAdapter(strQuery, conn); System.Data.DataSet testDataSet = new System.Data.DataSet(); cmd.Fill(testDataSet, "SearchResults"); DataView source = new DataView(testDataSet.Tables[0]); DataGrid1.DataSource = source; DataGrid1.DataBind(); }