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How to build a query based on user input


Populate text box based on search criteria in MVC C#How to “add existing frameworks” in Xcode 4?How can I get Id of inserted entity in Entity framework?How should a model be structured in MVC?Transform Data Objects to View Objects for different views with the same formattingHow can I access ViewModel from JavascriptC# razor input var to controller search sqlmvcHow can I create a dynamic dropdown list based on the users selection in codeigniter MVCPHP MVC for login form






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-1















I have a cshtml view where the user can enter a first name, last name, or a SSN number and then do a search. They can enter any data they want in any box. The more data they enter, the more narrow the search becomes. Currently each if statement I have in my code is doing an 'or' statement; it adds extra rows to my result set if I enter information into another search box. I want it to be an "and" situation. This is what I have:



 var FilterSet = VetDb.AllPeople.AsQueryable();
if(!string.IsNullOrEmpty(FirstName))

FilterSet = FilterSet.Where(m => m.First_Name.ToLower().Contains(FirstName.ToLower()));

else if(!string.IsNullOrEmpty(LastName))

FilterSet = FilterSet.Where(m => m.Last_Name.ToLower().Contains(LastName.ToLower()));

else if (!string.IsNullOrEmpty(SSN))

FilterSet = FilterSet.Where(m => m.SSN.ToLower().Contains(SSN.ToLower()));



But I would like it to be something like this:



 var FilterSet = VetDb.AllPeople.AsQueryable();
if(!string.IsNullOrEmpty(FirstName))

FilterSet = FilterSet.Where(m => m.First_Name.ToLower().Contains(FirstName.ToLower()));

else if(!string.IsNullOrEmpty(LastName))

FilterSet = FilterSet + FilterSet.Where(m => m.Last_Name.ToLower().Contains(LastName.ToLower()));

else if (!string.IsNullOrEmpty(SSN))

FilterSet = FilterSet + FilterSet.Where(m => m.SSN.ToLower().Contains(SSN.ToLower()));



Note: I added FilterSet + to each line.



I know it is probably a simple question so any help with this would be much appreciated.



thanks
adam










share|improve this question




























    -1















    I have a cshtml view where the user can enter a first name, last name, or a SSN number and then do a search. They can enter any data they want in any box. The more data they enter, the more narrow the search becomes. Currently each if statement I have in my code is doing an 'or' statement; it adds extra rows to my result set if I enter information into another search box. I want it to be an "and" situation. This is what I have:



     var FilterSet = VetDb.AllPeople.AsQueryable();
    if(!string.IsNullOrEmpty(FirstName))

    FilterSet = FilterSet.Where(m => m.First_Name.ToLower().Contains(FirstName.ToLower()));

    else if(!string.IsNullOrEmpty(LastName))

    FilterSet = FilterSet.Where(m => m.Last_Name.ToLower().Contains(LastName.ToLower()));

    else if (!string.IsNullOrEmpty(SSN))

    FilterSet = FilterSet.Where(m => m.SSN.ToLower().Contains(SSN.ToLower()));



    But I would like it to be something like this:



     var FilterSet = VetDb.AllPeople.AsQueryable();
    if(!string.IsNullOrEmpty(FirstName))

    FilterSet = FilterSet.Where(m => m.First_Name.ToLower().Contains(FirstName.ToLower()));

    else if(!string.IsNullOrEmpty(LastName))

    FilterSet = FilterSet + FilterSet.Where(m => m.Last_Name.ToLower().Contains(LastName.ToLower()));

    else if (!string.IsNullOrEmpty(SSN))

    FilterSet = FilterSet + FilterSet.Where(m => m.SSN.ToLower().Contains(SSN.ToLower()));



    Note: I added FilterSet + to each line.



    I know it is probably a simple question so any help with this would be much appreciated.



    thanks
    adam










    share|improve this question
























      -1












      -1








      -1








      I have a cshtml view where the user can enter a first name, last name, or a SSN number and then do a search. They can enter any data they want in any box. The more data they enter, the more narrow the search becomes. Currently each if statement I have in my code is doing an 'or' statement; it adds extra rows to my result set if I enter information into another search box. I want it to be an "and" situation. This is what I have:



       var FilterSet = VetDb.AllPeople.AsQueryable();
      if(!string.IsNullOrEmpty(FirstName))

      FilterSet = FilterSet.Where(m => m.First_Name.ToLower().Contains(FirstName.ToLower()));

      else if(!string.IsNullOrEmpty(LastName))

      FilterSet = FilterSet.Where(m => m.Last_Name.ToLower().Contains(LastName.ToLower()));

      else if (!string.IsNullOrEmpty(SSN))

      FilterSet = FilterSet.Where(m => m.SSN.ToLower().Contains(SSN.ToLower()));



      But I would like it to be something like this:



       var FilterSet = VetDb.AllPeople.AsQueryable();
      if(!string.IsNullOrEmpty(FirstName))

      FilterSet = FilterSet.Where(m => m.First_Name.ToLower().Contains(FirstName.ToLower()));

      else if(!string.IsNullOrEmpty(LastName))

      FilterSet = FilterSet + FilterSet.Where(m => m.Last_Name.ToLower().Contains(LastName.ToLower()));

      else if (!string.IsNullOrEmpty(SSN))

      FilterSet = FilterSet + FilterSet.Where(m => m.SSN.ToLower().Contains(SSN.ToLower()));



      Note: I added FilterSet + to each line.



      I know it is probably a simple question so any help with this would be much appreciated.



      thanks
      adam










      share|improve this question














      I have a cshtml view where the user can enter a first name, last name, or a SSN number and then do a search. They can enter any data they want in any box. The more data they enter, the more narrow the search becomes. Currently each if statement I have in my code is doing an 'or' statement; it adds extra rows to my result set if I enter information into another search box. I want it to be an "and" situation. This is what I have:



       var FilterSet = VetDb.AllPeople.AsQueryable();
      if(!string.IsNullOrEmpty(FirstName))

      FilterSet = FilterSet.Where(m => m.First_Name.ToLower().Contains(FirstName.ToLower()));

      else if(!string.IsNullOrEmpty(LastName))

      FilterSet = FilterSet.Where(m => m.Last_Name.ToLower().Contains(LastName.ToLower()));

      else if (!string.IsNullOrEmpty(SSN))

      FilterSet = FilterSet.Where(m => m.SSN.ToLower().Contains(SSN.ToLower()));



      But I would like it to be something like this:



       var FilterSet = VetDb.AllPeople.AsQueryable();
      if(!string.IsNullOrEmpty(FirstName))

      FilterSet = FilterSet.Where(m => m.First_Name.ToLower().Contains(FirstName.ToLower()));

      else if(!string.IsNullOrEmpty(LastName))

      FilterSet = FilterSet + FilterSet.Where(m => m.Last_Name.ToLower().Contains(LastName.ToLower()));

      else if (!string.IsNullOrEmpty(SSN))

      FilterSet = FilterSet + FilterSet.Where(m => m.SSN.ToLower().Contains(SSN.ToLower()));



      Note: I added FilterSet + to each line.



      I know it is probably a simple question so any help with this would be much appreciated.



      thanks
      adam







      model-view-controller frameworks entity






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Mar 8 at 2:14









      Adam StallcupAdam Stallcup

      12




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