How to set a default value with Html TextBoxFor

Question

Simple question  if you use the Html Helper from ASP NET MVC Framework 1 it is easy to set a default value on a textbox because there is an overload Html TextBox string name  object value    When I tried using the Html TextBoxFor method  my first guess was to try the following which did not work    lt    Html TextBoxFor x   gt  x Age  new   value    0      gt    Should I just stick with Html TextBox string  object  for now

User · Answer

If you have a partial page form for both editing and adding, then the trick I use to default value to 0 is to do the following:

@Html.TextBox("Age", Model.Age ?? 0)

That way it will be 0 if unset or the actual age if it exists.

User · Answer

This work for me   Html TextBoxFor model   gt  model Age  htmlAttributes  new    Value

User · Answer

It turns out that if you don t specify the Model to the View method within your controller  it doesn t create a object for you with the default values    AcceptVerbs HttpVerbs Get   public ViewResult Create          Loads default values   Instructor i   new Instructor      return View  Create   i       AcceptVerbs HttpVerbs Get   public ViewResult Create          Does not load default values from instructor   return View  Create

User · Answer

Try this also  that is remove new     and replace it with string    lt    Html TextBoxFor x   gt  x Age  0     gt

User · Answer

you can try this   lt    Html TextBoxFor x   gt  x Age  new    Value    0      gt

User · Answer

This should work for MVC3  amp  MVC4    Html TextBoxFor m   gt  m Age  new    Value    12        If you want it to be a hidden field    Html TextBoxFor m   gt  m Age  new    Value    12   type  hidden

User · Answer

value  0  will set defualt value for  Html TextBoxfor  its case sensitive  v  should be capital  Below is working example    Html TextBoxFor m   gt  m Nights       new    min    1    max    10    type    number    id    Nights    name    Nights   Value    1

User · Answer

this worked for me     in this way we setting the default value  to empty string       Html TextBoxFor m   gt  m Id  new    Value

User · Answer

You can simply do     lt    Html TextBoxFor x   gt  x Age  new    Value    0      gt    or better  this will switch to default value  0  if the model is null  for example if you have the same view for both editing and creating     Html TextBoxFor x   gt  x Age  new    Value    Model  null     0    Model Age ToString

User · Answer

The default value will be the value of your Model Age property  That s kind of the whole point

User · Answer

Here s how I solved it  This works if you also use this for editing    Html TextBoxFor m   gt  m Age  new   Value   Model Age ToString       0

User · Answer

Using  Value is a hack  because it outputs two attributes  e g     lt input type       Value  foo  value     gt    You should do this instead    Html TextBox Html NameFor p   gt  p FirstName  ToString     foo

[c#] How to set a default value with Html.TextBoxFor?

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