ASP.NET MVC inserts string inside new object parameter

Question

I have tried to insert a string variable inside a textboxfor to complete his parameters, but the result is something as variablename=.....

For example, if I want disable the textbox depending on boolean in the modelview :

@string isDisabled = (Model.kbinding_boolvar ? "disabled" : ""); 
@Html.TextBoxFor(m => m.kbinding_namevar, new { @class = "classname", @is_disabled })

The html output is this :

<input class="classname" isDisabled="disabled" data-val="true" name="kbinding_textbox_name" type="text" value="" />

instead of :

<input class="classname" disabled data-val="true" name="kbinding_textbox_name" type="text" value="" />

What's the correct syntax to use to achieve the result?

you have missed the values try @Html.TextBoxFor(m => m.kbinding_namevar, new { @class = "classname", disabled = is_disabled}) what happens is, asp.net mvc is taking the attribute and value i.e both as is_disabled. You have to explicitly say the attribute name. Alternativey you can name your variable as disabled and then you don't need an explicit attribute name — Idrees Khan
– Idrees Khan, Commented Nov 24, 2015 at 11:52

user3559349 · Accepted Answer · 2015-11-24 11:48:53Z

5

Define the attributes as an object

@{
    var attributes = Model.kbinding_boolvar ? 
    (object)new { @class = "classname", disabled = "disabled" } :
    (object)new { @class = "classname"};
}

@Html.TextBoxFor(m => m.kbinding_namevar, attributes)

answered Nov 24, 2015 at 11:48

user3559349

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Comments

Idrees Khan · Accepted Answer · 2015-11-24 12:04:57Z

0

Basically you have missed the attribute name i.e disabled because your variable name is different then attribute. That's why you see this;

 <input class="classname" isDisabled="disabled"  data-val="true"   name="kbinding_textbox_name" type="text" value="" />

If you rename your variable same like an attribute i.e isDisabled to disabled like below then it will give you correctly result;

@{ string disabled= (Model.kbinding_boolvar ? "disabled" : ""); }
@Html.TextBoxFor(m => m.kbinding_namevar, new { @class = "classname", disabled})

Or be explicit

@{ string isDisabled = (Model.kbinding_boolvar ? "disabled" : ""); }
@Html.TextBoxFor(m => m.kbinding_namevar, new { @class = "classname", disabled = is_disabled})

Note: You don't need @ i.e @is_disabled as you are already in code expression

edited Nov 24, 2015 at 12:04

answered Nov 24, 2015 at 11:56

Idrees Khan

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2 Comments

user5599349 Over a year ago

Thank you, i have already tried this solution but does not work because when in html ther's the key "disabled" the component is always disabled with any value (ex disabled="No")

Idrees Khan Over a year ago

agree but your generated html code it isn't the key but the value i.e isDisabled="disabled" which is not a valid attribute (isDisabled) if its like this disabled="disabled" then it will work or just like this disabled

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