MySQL Connector/ODBC Release Notes
The following sample creates a table
my_odbc_net
and demonstrates its use in
C#.
/**
* @sample : mycon.cs
* @purpose : Demo sample for ODBC.NET using Connector/ODBC
*
**/
/* build command
*
* csc /t:exe
* /out:mycon.exe mycon.cs
* /r:System.Data.Odbc.dll
*/
using Console = System.Console;
using System.Data.Odbc;
namespace myodbc3
{
class mycon
{
static void Main(string[] args)
{
try
{
//Connection string for Connector/ODBC 9.1
string MyConString = "DRIVER={MySQL ODBC 9.1 Unicode Driver};" +
"SERVER=localhost;" +
"DATABASE=test;" +
"UID=venu;" +
"PASSWORD=venu;" +
"FOUND_ROWS=1";
//Connect to MySQL using Connector/ODBC
OdbcConnection MyConnection = new OdbcConnection(MyConString);
MyConnection.Open();
Console.WriteLine("\n !!! success, connected successfully !!!\n");
//Display connection information
Console.WriteLine("Connection Information:");
Console.WriteLine("\tConnection String:" +
MyConnection.ConnectionString);
Console.WriteLine("\tConnection Timeout:" +
MyConnection.ConnectionTimeout);
Console.WriteLine("\tDatabase:" +
MyConnection.Database);
Console.WriteLine("\tDataSource:" +
MyConnection.DataSource);
Console.WriteLine("\tDriver:" +
MyConnection.Driver);
Console.WriteLine("\tServerVersion:" +
MyConnection.ServerVersion);
//Create a sample table
OdbcCommand MyCommand =
new OdbcCommand("DROP TABLE IF EXISTS my_odbc_net",
MyConnection);
MyCommand.ExecuteNonQuery();
MyCommand.CommandText =
"CREATE TABLE my_odbc_net(id int, name varchar(20), idb bigint)";
MyCommand.ExecuteNonQuery();
//Insert
MyCommand.CommandText =
"INSERT INTO my_odbc_net VALUES(10,'venu', 300)";
Console.WriteLine("INSERT, Total rows affected:" +
MyCommand.ExecuteNonQuery());;
//Insert
MyCommand.CommandText =
"INSERT INTO my_odbc_net VALUES(20,'mysql',400)";
Console.WriteLine("INSERT, Total rows affected:" +
MyCommand.ExecuteNonQuery());
//Insert
MyCommand.CommandText =
"INSERT INTO my_odbc_net VALUES(20,'mysql',500)";
Console.WriteLine("INSERT, Total rows affected:" +
MyCommand.ExecuteNonQuery());
//Update
MyCommand.CommandText =
"UPDATE my_odbc_net SET id=999 WHERE id=20";
Console.WriteLine("Update, Total rows affected:" +
MyCommand.ExecuteNonQuery());
//COUNT(*)
MyCommand.CommandText =
"SELECT COUNT(*) as TRows FROM my_odbc_net";
Console.WriteLine("Total Rows:" +
MyCommand.ExecuteScalar());
//Fetch
MyCommand.CommandText = "SELECT * FROM my_odbc_net";
OdbcDataReader MyDataReader;
MyDataReader = MyCommand.ExecuteReader();
while (MyDataReader.Read())
{
Console.WriteLine("Data:" + MyDataReader.GetInt32(0) + " " +
MyDataReader.GetString(1) + " " +
MyDataReader.GetInt64(2));
}
//Close all resources
MyDataReader.Close();
MyConnection.Close();
}
catch (OdbcException MyOdbcException) //Catch any ODBC exception ..
{
for (int i=0; i < MyOdbcException.Errors.Count; i++)
{
Console.Write("ERROR #" + i + "\n" +
"Message: " +
MyOdbcException.Errors[i].Message + "\n" +
"Native: " +
MyOdbcException.Errors[i].NativeError.ToString() + "\n" +
"Source: " +
MyOdbcException.Errors[i].Source + "\n" +
"SQL: " +
MyOdbcException.Errors[i].SQLState + "\n");
}
}
}
}
}