The conversion of a varchar data type to a datetime data typ

Question

i am getting " The conversion of a varchar data type to a datetime data type resulted in an out-of-range value.

The statement has been terminated."

 public void Insert(String Query)

    {

        MyCommand.CommandType = CommandType.Text;

        MyCommand.CommandText = Query;

        MyConnection.Open();

        MyCommand.Connection = MyConnection;

        MyCommand.ExecuteNonQuery();

        MyConnection.Close();

    }