Execute the command to get Scalar value : SqlCommand Select « ADO.Net « C# / CSharp Tutorial






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

    class Program
    {
        static void Main(string[] args)
        {
            string sqlConnectString = "Data Source=(local);" +
                "Integrated security=SSPI;Initial Catalog=AdventureWorks;";

            SqlConnection connection = new SqlConnection(sqlConnectString);

            string selectText = "SELECT COUNT(*) FROM Person.Contact";
            SqlCommand command = new SqlCommand(selectText, connection);

            connection.Open( );
            int recordCount = (int)command.ExecuteScalar( );
            connection.Close( );

            Console.WriteLine(recordCount);

        }
    }








32.21.SqlCommand Select
32.21.1.Simple Query
32.21.2.How to perform a SELECT statement using ADO.NET
32.21.3.Execute Scalar Example
32.21.4.Executing a Query That Does Not Return a Result Set
32.21.5.Executing a Query That Returns Multiple Result Sets with DataSet
32.21.6.Executing a Query That Returns Multiple Result Sets with SqlDataReader
32.21.7.Execute the command to get Scalar value
32.21.8.CommandReader
32.21.9.Get table list