Pass parameters to SqlCommand : SqlCommand « Database ADO.net « C# / C Sharp

1. C# / C Sharp
2. Database ADO.net
3. SqlCommand

Pass parameters to SqlCommand

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

   class CommandExampleParameters
   {
      static void Main() 
      {
         SqlConnection thisConnection = new SqlConnection("server=(local)\\SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI");

         SqlCommand nonqueryCommand = thisConnection.CreateCommand();

         try {
            thisConnection.Open();

            nonqueryCommand.CommandText = "CREATE TABLE MyTable (MyName VARCHAR (30), MyNumber integer)";
            Console.WriteLine(nonqueryCommand.CommandText);
            Console.WriteLine("Number of Rows Affected is: {0}", nonqueryCommand.ExecuteNonQuery());

            nonqueryCommand.CommandText = "INSERT INTO MyTable VALUES (@MyName, @MyNumber)";

            nonqueryCommand.Parameters.Add("@MyName", SqlDbType.VarChar, 30);
            nonqueryCommand.Parameters.Add("@MyNumber", SqlDbType.Int);
        
            nonqueryCommand.Prepare();
        
            string[] names = { "A", "B", "C", "D" } ;
            int i;
            for (i=1; i<=4; i++) {
               nonqueryCommand.Parameters["@MyName"].Value = names[i-1];
               nonqueryCommand.Parameters["@MyNumber"].Value = i;
               Console.WriteLine(nonqueryCommand.CommandText);
               Console.WriteLine("Number of Rows Affected is: {0}", nonqueryCommand.ExecuteNonQuery());
            }
         } catch (SqlException ex) {
            Console.WriteLine(ex.ToString());
         } finally {  
            thisConnection.Close();
            Console.WriteLine("Connection Closed.");
         }
      }
   }



           
       

Related examples in the same category

1.	Use the GetOrdinal() method of a DataReader object to get the numeric positions of a column
2.	How to use the ExecuteScalar() method to run a SELECT statement that returns a single value
3.	Use the ExecuteNonQuery() method to run INSERT, UPDATE, and DELETE statements
4.	Use SqlCommand to call SQL and insert data to database table
5.	Delete data from database using SqlCommand
6.	Get row count from SqlCommand
7.	Get row count by 'ExecuteScalar'
8.	Execute multiple SQL statements(insert) using a SqlCommand object
9.	execute multiple SELECT statements(select) using a SqlCommand object and read the results using a SqlDataReader object
10.	Async Command Object
11.	Populate a DataSet object using a SELECT statement
12.	Use ExecuteXmlReader() to run a SELECT statement that returns XML
13.	control SqlCommand to return a single row