ASP. NET MVC2 in action Reading Notes [1]

Chapter01:

1). Guestbook

Index. aspx:

 
<Form Method= "Post" Action= "/Guestbook/sign">
 

 
<Fieldset>
 

 
<Legend>Guest book</Legend>
 

 
<%= Html. Label ("Name")%>
 

<%= Html. Textbox ("Name")%>
 

 
<%= Html. Label ("Email")%>
 

 
<%= Html. Textbox ("Email")%>
 

 
<%= Html. Label ("Comments")%>
 

 
<%= Html. textarea ("Comments",New{Rows = 6, cols = 30 })%>
 

<Div>
 

 
<Input Type= "Submit" Value= "Sign" />
 

 
</Div>
 

 
</Fieldset>
 

 
</Form>
 

Thankyou. aspx:

 
<H2>Thank you!</H2>
 

<P>Thank you for signing the guest book! You entered:</P>
 

 
Name:<%= Viewdata ["Name"]%><BR />
 

 
Email:<%= Viewdata ["Email"]%><BR />
 

Comments:<I><%= Viewdata ["Comments"]%></I>
 

Guestbookcontroller. CS:

 
Public ClassGuestbookcontroller: Controller
 

 
{
 

 
PublicActionresult index ()
 

 
{
 

 
ReturnView ();
 

 
}
 

 
PublicActionresult sign (StringName,StringEmail,StringComments)
 

 
{
 

 
// Do something with the values, such as send an email
 

 
Viewdata ["Name"] = Name;
 

Viewdata ["Email"] = Email;
 

 
Viewdata ["Comments"] = Comments;
 

 
ReturnView ("Thankyou");
 

 
}
 

 
}
 

 

2). guestbookwithmodel

Index. aspx:

 
<H2>Sign the guest book!</H2>
 

 
<% Using(Html. beginform ()){%>
 

 
<Fieldset>
 

 
<Legend>Fields</Legend>
 

 
<P>
 

 
<%= Html. labelfor (model => model. Name)%>
 

<%= Html. textboxfor (model => model. Name)%>
 

 
</P>
 

 
<P>
 

 
<%= Html. labelfor (model => model. Email)%>
 

 
<%= Html. textboxfor (model => model. Email)%>
 

 
</P>
 

 
<P>
 

<%= Html. labelfor (model => model. Comments)%>
 

 
<%= Html. textareafor (model => model. Comments)%>
 

 
</P>
 

 
<P>
 

 
<Input Type= "Submit" Value= "CREATE" />
 

 
</P>
 

</Fieldset>
 

 
<%}%>
 

Thankyou. aspx:

<H2>Thank you!</H2>
 

 
Thank you for signing our guest book. You entered:<BR />
 

 
<%= Html. displayformodel ()%>
 

Guestbookcontroller. CS:

 
Public ClassGuestbookcontroller: Controller
 

 
{
 

 
PublicActionresult index ()
 

 
{
 

VaR model =NewGuestbookentry ();
 

 
ReturnView (model );
 

 
}
 

 
[Httppost]
 

 
PublicActionresult index (guestbookentry)
 

 
{
 

 
// Hang on to the submitted value, so we can
 

 
// Retrieve it upon redirect
 

 
Tempdata ["Entry"] = Entry;
 

 
ReturnRedirecttoaction ("Thankyou");
 

 
}
 

PublicActionresult thankyou ()
 

 
{
 

 
If(Tempdata ["Entry"] =Null)
 

 
{
 

 
// Somehow they got here without filling out the form
 

 
ReturnRedirecttoaction ("Index");
 

 
}
 

 
VaR model = (guestbookentry) tempdata ["Entry"];
 

 
ReturnView (model );
 

 
}
 

 
}
 

Guestbookentry. CS:

 
Public ClassGuestbookentry
 

 
{
 

 
Public StringName {Get; set ;}
 

Public StringEmail {Get; set ;}
 

 
Public StringComments {Get; set ;}
 

 
}