public SqlQueryable <T> Insert(Expression <Func <T> > expression)
{
if (expression == null)
{
throw new ArgumentNullException("expression", "Value cannot be null");
}
this.Clear();
this._sqlBuilder.SetSqlCommandType(SqlCommandType.Insert);
this._sqlBuilder.IsSingleTable = true;
this._sqlBuilder.SqlInsertStr = $"insert into {this._mainTableName}";
SqlProvider.Insert(expression.Body, this._sqlBuilder);
return(this);
}