C# – Sql Parameters – Insert Statement

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C# – Sql Parameters Source Code – Insert Statement

Purpose: – Illustrates using with .

  1. Install C# (Express or Standard Edition)
  2. Install SQL Server Express
  3. Download Northwind Database
  4. Attach Northwind Database to Databases in Sql Express


  • Console Application is used to simplify things, but Windows Forms or Web Forms could also be used
  • You can build a library of syntax examples by using same project over and over and just commenting out what you do not want to execute in Program.cs


  1. Use C# 2008 (Express or Standard) Edition
  2. Create new project; select Console Application; name of Project could be CSharp_Syntax.
  3. Right-click project name in solution explorer; add new folder; name of folder could be DatabaseADONET
  4. Right-click folder; add class; class name could be clsSqlParametersInsert.cs
  5. Copy code into clsSqlParametersInsert.cs
  6. Copy code into Program.cs
  7. Click green arrow to start with debugging

Step 1: Use View Plain to Cut-n-paste code into clsSqlParametersInsert.cs

 C# |  copy code |? 
using System;
using System.Data;
using System.Data.SqlClient;
class clsSqlParametersInsert
    public  void Main()
        SqlConnection thisConnection = new SqlConnection("server=.\\SQLEXPRESS;" + "integrated security=sspi;database=Northwind");
        //Create Command object
        SqlCommand nonqueryCommand = thisConnection.CreateCommand();
            // Open Connection
            Console.WriteLine("Connection Opened");
            // Create INSERT statement with named parameters
            nonqueryCommand.CommandText = "INSERT  INTO Employees (FirstName, LastName) VALUES (@FirstName, @LastName)";
            // Add Parameters to Command Parameters collection
            nonqueryCommand.Parameters.Add("@FirstName", SqlDbType.VarChar, 10);
            nonqueryCommand.Parameters.Add("@LastName", SqlDbType.VarChar, 20);
            // Prepare command for repeated execution
            // Data to be inserted
            string[] names = { "Wade", "David", "Charlie" };
            for (int i = 0; i < = 2; i++)
                nonqueryCommand.Parameters["@FirstName"].Value = names[i];
                nonqueryCommand.Parameters["@LastName"].Value = names[i];
                Console.WriteLine("Executing {0}", nonqueryCommand.CommandText);
                Console.WriteLine("Number of rows affected : {0}", nonqueryCommand.ExecuteNonQuery());
        catch (SqlException ex)
            // Display error
            Console.WriteLine("Error: " + ex.ToString());
            // Close Connection
            Console.WriteLine("Connection Closed");

Step 2: Use View Plain to Cut-n-paste code into Program.cs

 C# |  copy code |? 
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace CSharp_Syntax
    class Program
        static void Main(string[] args)
            clsSqlParametersInsert mySqlParametersInsert = new clsSqlParametersInsert();

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One Response to “C# – Sql Parameters – Insert Statement”
  1. Vinayagam says:

    This site is really super. I am expecting C# Code Samples When you are going to complete the code samples
    Its really help full for all
    Thank you

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