use the Find() and FindRows() methods of a DataView to find DataRowView objects : DataView « Database ADO.net « C# / C Sharp

1. C# / C Sharp
2. Database ADO.net
3. DataView

use the Find() and FindRows() methods of a DataView to find DataRowView objects

using System;
using System.Data;
using System.Data.SqlClient;

class FindingDataRowViews {
    public static void Main() {
        SqlConnection mySqlConnection =
          new SqlConnection(
            "server=localhost;database=Northwind;uid=sa;pwd=sa"
          );
        SqlCommand mySqlCommand = mySqlConnection.CreateCommand();
        mySqlCommand.CommandText =
          "SELECT CustomerID, CompanyName, Country " +
          "FROM Customers";
        SqlDataAdapter mySqlDataAdapter = new SqlDataAdapter();
        mySqlDataAdapter.SelectCommand = mySqlCommand;
        DataSet myDataSet = new DataSet();
        mySqlConnection.Open();
        mySqlDataAdapter.Fill(myDataSet, "Customers");
        mySqlConnection.Close();
        DataTable customersDT = myDataSet.Tables["Customers"];

        string filterExpression = "Country = 'UK'";
        string sortExpression = "CustomerID";
        DataViewRowState rowStateFilter = DataViewRowState.OriginalRows;

        DataView customersDV = new DataView();
        customersDV.Table = customersDT;
        customersDV.RowFilter = filterExpression;
        customersDV.Sort = sortExpression;
        customersDV.RowStateFilter = rowStateFilter;

        foreach (DataRowView myDataRowView in customersDV) {
            for (int count = 0; count < customersDV.Table.Columns.Count; count++) {
                Console.WriteLine(myDataRowView[count]);
            }
            Console.WriteLine("");
        }

        int index = customersDV.Find("BSBEV");
        Console.WriteLine("BSBEV found at index " + index + "\n");
        DataRowView[] customersDRVs = customersDV.FindRows("BSBEV");
        foreach (DataRowView myDataRowView in customersDRVs) {
            for (int count = 0; count < customersDV.Table.Columns.Count; count++) {
                Console.WriteLine(myDataRowView[count]);
            }
            Console.WriteLine("");
        }
    }
}

           
       

Related examples in the same category