---------------------------------------------
oConn.Open "Provider=MySQLProv;" & _
           "Data Source=mySQLDB;" & _
           "User Id=myUsername;" & _
           "Password=myPassword"

 Using C# 

using CoreLab.MySql;

MySqlConnection oMySqlConn = new MySqlConnection(); 
oMySqlConn.ConnectionString = "User ID=myUsername;" +
                              "Password=myPassword;" +
                              "Host=localhost;" +
                              "Port=3306;" +
                              "Database=myDatabaseName;" +
                              "Direct=true;" +
                              "Protocol=TCP;" +
                              "Compress=false;" +
                              "Pooling=true;" +
                              "Min Pool Size=0;" +
                              "Max Pool Size=100;" +
                              "Connection Lifetime=0"; 
oMySqlConn.Open();



Using VB.NET 

Imports CoreLab.MySql

Dim oMySqlConn As MySqlConnection = New MySqlConnection() 
oMySqlConn.ConnectionString = "User ID=myUsername;" & _
                              "Password=myPassword;" & _
                              "Host=localhost;" & _
                              "Port=3306;" & _
                              "Database=myDatabaseName;" & _
                              "Direct=true;" & _
                              "Protocol=TCP;" & _
                              "Compress=false;" & _
                              "Pooling=true;" & _
                              "Min Pool Size=0;" & _
                              "Max Pool Size=100;" & _
                              "Connection Lifetime=0"
oMySqlConn.Open()