c# - Add Required to a model depending on the value of another property? -

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• requiredif conditional validation attribute 8 answers

i have field in model looks this

[display(name = "companytype", resourcetype = typeof(captions), autogeneratefilter = true)] [lookup(lookuptextfield = "typefordisplay", lookupentity = "type", lookupcolumns = new[] { "typefordisplay" }, lookuptype = lookuptype.dropdown)] public guid? typeid{ get; set; } 

i want add required property, not in casses. depends on value of property in model. best(easiest) way this?

you can create custom validator accomplish this.

here tutorial on how go it.