Mega Code Archive
Filter sort based on DataTableCollection
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using System;
using System.Data;
using System.Data.SqlClient;
class FilterSort
{
static void Main(string[] args)
{
string connString = "server=(local)\\SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI";
string sql1 = @"select * from employee;";
string sql2 = @"select firstname, lastname from employee";
string sql = sql1 + sql2;
SqlConnection conn = new SqlConnection(connString);
try {
SqlDataAdapter da = new SqlDataAdapter();
da.SelectCommand = new SqlCommand(sql, conn);
DataSet ds = new DataSet();
da.Fill(ds, "employee");
DataTableCollection dtc = ds.Tables;
Console.WriteLine("Results from Customers table:");
Console.WriteLine("FirstName".PadRight(20) + "LastName".PadLeft(23) + "\n");
string fl = "FirstName = 'Z'";
string srt = "LastName asc";
foreach (DataRow row in dtc["Employee"].Select(fl, srt))
{
Console.WriteLine(
"{0}\t{1}",
row["FirstName"].ToString().PadRight(25),
row["LastName"]);
}
Console.WriteLine("Results from Products table:");
Console.WriteLine("FirstName".PadRight(20) + "LastName".PadLeft(21) + "\n");
foreach (DataRow row in dtc[1].Rows){
Console.WriteLine("{0}\t{1}", row["FirstName"].ToString().PadRight(25),
row["LastName"]);
}
} catch(Exception e) {
Console.WriteLine("Error: " + e);
} finally {
conn.Close();
}
}
}
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