//引入命名空间

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("");

}

}

}