Asp.Net Mvc Checkboxfor default value?

Question

model

[DefaultValue(true)]
public bool IsActive { get; set; }

view

@Html.CheckBoxFor(model => model.IsActive)

html output and that is my expected

<input data-val="true" data-val-required="Yayında alanı boş bırakılmamalıdır!" id="IsActive" name="IsActive" type="checkbox" value="true" class="valid">

but checkbox is not checked. I cant understand why? What am I missing?

Thanks.

The 'best practice" in this case, imho, would be to set the value in the controller. ie model.IsActive = true; — Forty-Two
– Forty-Two, Commented Feb 15, 2013 at 21:31

cadrell0 · Accepted Answer · 2013-02-15 21:23:32Z

2

Per the MSDN

A DefaultValueAttribute will not cause a member to be automatically initialized with the attribute's value. You must set the initial value in your code.

answered Feb 15, 2013 at 21:23

cadrell0

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2 Comments

AliRıza Adıyahşi Over a year ago

Thanks for trick. I solve it in getter block. get{ return true;}

merekel Over a year ago

Setting it in the getter would cause the value to always be true, just as the code says. You could never set the checkbox to false.

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