public static LogicalBinaryExpression Like(string fieldName, object value, bool startWith, bool endWith)
 {
     return(Like(SqlExpression.Field(fieldName), SqlExpression.Constant(value), startWith, endWith));
 }
 public static LogicalBinaryExpression LessThanOrEqual(string fieldName, object value)
 {
     return(LessThanOrEqual(SqlExpression.Field(fieldName), SqlExpression.Constant(value)));
 }
 public static LogicalBinaryExpression Between(string fieldName, object value1, object value2)
 {
     return(Between(SqlExpression.Field(fieldName), SqlExpression.Constant(value1), Constant(value2)));
 }
 public static LogicalBinaryExpression GreaterThan(string fieldName, object value)
 {
     return(GreaterThan(SqlExpression.Field(fieldName), SqlExpression.Constant(value)));
 }