c# - Populate View selected record ViewModel -
i trying use viewmodel way validates.
my viewmodel:
public class ccvm { [required(errormessage = "please enter name")] public string cardholdername { get; set; } [required(errormessage = "please enter credit card number")] public string cardnumber { get; set; } [required(errormessage = "please enter expiration date mmyy")] [stringlength(4, errormessage = "expiration date format mmyy", minimumlength = 4)] public string cardexpirtydate { get; set; } public wholesale wholesale { get; set; } } how can pass selected person in wholesaler , card info view?
my controller:
public actionresult pay() { if (session["wid"] == null) { return redirecttoaction("index"); } viewbag.step = 2; if (session["wid"] == null) { return new httpstatuscoderesult(httpstatuscode.badrequest); } //wholesale wholesale = db.wholesales.find(session["wid"]); int wid=convert.toint32(session["wid"]); ccvm ccvm = new ccvm(); var dude = d in db.wholesales d.id==wid select d; ccvm.wholesale = (dude.tolist()); if (ccvm == null) { return httpnotfound(); } return view(ccvm); } view has fields wholesaler table want use vm validate , controller update. has card info need vm validate , pass controller processing.
@html.editorfor(model => model.firstname) @html.validationmessagefor(model => model.firstname, "", new { htmlattributes = new { @placeholder = "first name please", @class = "text-danger" } }) <input type="text" name="cardexpirtydate" style="width:40px" />mmyy <br />@html.validationmessagefor(model => model.cardexpirtydate)
depending on project, can use model-view-viewmodel pattern (https://msdn.microsoft.com/en-us/library/ff798384.aspx). here article on topic using automapper: https://lostechies.com/jimmybogard/2009/06/30/how-we-do-mvc-view-models
if want see arguments counter side, here article debates points: http://www.uglybugger.org/software/post/friends_dont_let_friends_use_automapper
personally, i've found viewmodel pattern automapper work forms on data type projects.
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