This C# program demonstrates how to read data from an SQL database and perform an inner join over two tables with Microsoft SQL in C#.
using System;
using System.Data.SqlClient;
namespace ReadWithInnerJoin {
class Program {
static void Main(string[] args) {
String sConnectionString = @"Server=LAPTOP-FHJLCP14\SQLEXPRESS;Trusted_Connection=True;Database=XoaX;";
string sSelectString = "SELECT FeastDays.Title, Apostles.name "+
"FROM FeastDays "+
"INNER JOIN Apostles ON FeastDays.ID=Apostles.id;";
using (SqlConnection qConnection = new SqlConnection(sConnectionString)) {
SqlCommand qSqlCommand = new SqlCommand(sSelectString, qConnection);
qConnection.Open();
SqlDataReader qSqlReader = qSqlCommand.ExecuteReader();
// Read a single row, if it exists
while (qSqlReader.Read()) {
Console.WriteLine(String.Format("{0}, {1}", qSqlReader[0], qSqlReader[1]));
}
qSqlReader.Close();
}
}
}
}
The Chains of Saint Peter, Peter Pope Saint Linus, Andrew Saint Peter's Chair, Philip Saint Joseph the Worker, Matthew Press any key to continue . . .
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