c# - How can I add disabled attribute conditionally? -


this question has answer here:

i'm developing , asp.net mvc app c# , .net framework 4.7.

i want add disabled attribute conditionally:

<div class="group">     @{bool isdisabled; }      @if ((model.variabledatalist[levelindex].variabledataforlevel[vdataindex].variabledataid == "01") ||         (model.variabledatalist[levelindex].variabledataforlevel[vdataindex].variabledataid == "10"))     {         isdisabled = true;     }     else     {         isdisabled = false;     }      @html.dropdownlistfor(         m => m.variabledatalist[levelindex].variabledataforlevel[vdataindex].variabledataid,         new selectlist(model.variabledataitems, "id", "name",         model.variabledatalist[levelindex].variabledataforlevel[vdataindex].variabledataid),         new {             @onchange = "onchangevariabledataid(this);",             data_level_index = @levelindex,             data_list_index = @vdataindex,             if (isdisabled) disabled         }) </div>

but if (isdisabled) disabled doesn't work.

how can add disabled attribute conditionally?

maybe can try :

@html.dropdownlistfor(     m => m.variabledatalist[levelindex].variabledataforlevel[vdataindex].variabledataid,     new selectlist(model.variabledataitems, "id", "name",     model.variabledatalist[levelindex].variabledataforlevel[vdataindex].variabledataid),     new {         @onchange = "onchangevariabledataid(this);",         data_level_index = @levelindex,         data_list_index = @vdataindex,         disabled = isdisabled ? "disabled" : "false"     })

i haven't tested code plz let me know if it's correct.


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