Where(x => x.DateOfBirth ().AsQueryable(),Īdd method call nodes to the IQueryable's expression tree Because the lambda is compile-time-typed (albeit with a generic parameter), we can use it with the Where methodīecause the TextFilter function takes and returns an IQueryable (and not just an IQueryable), you can add further compile-time-typed query elements after the text filter. Wrap the expression body in a compile-time-typed lambda expression Combine all the resultant expression nodes using || For each property, we have to construct an expression tree node like x.PropertyName.Contains("term") IEnumerable expressions = stringProperties Map each property to an expression tree node ParameterExpression prm = Parameter(elementType) The type of this parameter is the query's element type the 'x' in 'x => x.PropertyName.Contains("term")' Create a parameter for the expression tree: Consider code that defines an IQueryable or an IQueryable against a data source: var companyNames = new )!
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |