populate textbox on 2nd page with user input on 1st

[mlg74]

I am desiging a web app using visual web developer and sql express 2005. Language is VB.

My default page has a form with only 2 form fields, which on submit goes to my default2 page, which has a form, where I am using panels to break it up into parts.

On the default page, one of the two fields is a textbox for zip code. On the very next page (default2) is a registration page, asking for address, and it has zip code as well. I do not want my users to have to enter the zip code twice, so how do I get the zip code entered on the default page populated on the 2nd page?

I've tried session variables, cross page postback, and query strings, but have had no succes with any and do not fully understand the part where it populates the textbox, so I'm out of clues.

Any help would be appreciated.

[acnx]

Cross page postback is the way I would do it.

default1.aspx
<asp:textbox ID="Zip" runat="server" />
<asp:button runat='server" postbackurl="de fault2.aspx" />

default2.aspx
<asp:textbox ID="Zip" runat="server" />

default2.aspx.c s
in page load
Zip.Text = Request.Form["Zip"].ToString();


Hope this helps

I am desiging a web app using visual web developer and sql express 2005. Language is VB.

My default page has a form with only 2 form fields, which on submit goes to my default2 page, which has a form, where I am using panels to break it up into parts.

On the default page, one of the two fields is a textbox for zip code. On the very next page (default2) is a registration page, asking for address, and it has zip code as well. I do not want my users to have to enter the zip code twice, so how do I get the zip code entered on the default page populated on the 2nd page?

I've tried session variables, cross page postback, and query strings, but have had no succes with any and do not fully understand the part where it populates the textbox, so I'm out of clues.

Any help would be appreciated.

[mlg74]

Thankyou for you help.

When I type:

Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)

PostalCode.Text = Request.Form["PostalCode "].ToString()

End Sub

"Request.Fo rm" is underlined and the message it give is "cannot be converted to string."

And, if I change the brackets around postalcode to parentheses (dont ask why I did that), such as: "PostalCode.Tex t = Request.Form("P ostalCode").ToS tring(), the previous error goes away, but a new error which says "Object reference not set to an instance of an object."

Also, if I put a semicolon at the end of the line, like in your example, it says "character not valid."

This is as close as I've come to getting this thing work, so I'm thankful for your help.

[mlg74]

Oh, does the "cs" in default2.aspx.c s stand for C#? Because I as using Visual Basic.

[acnx]

Sorry, it was c#

I don't do VB. though this should work

Zip.Text = Request.Form("Z ip").ToString ()

Note above needs to be in Page_Load(ByVal sender....

[channaJ]

Oh, does the "cs" in default2.aspx.c s stand for C#? Because I as using Visual Basic.

Yes. ".cs" is the extention for C# files. If you are using VB here, your code behind would be with the extention ".vb"

The other case is in VB you do not have to put a semi colon at the end of the statement.

[nmsreddi]

Hello

if you dont wnat to go for sessions there are other alternatives you can use

one simple logic is if you want to access only zipcode (only one or two

variables ) then you can pass them as query string values while navigating to

the second form and catch those values by using Request object.and assign

that value to the textbox in form2.

//form2 textbox.text=Re quest["zipcode"];

I hope this may solve your problem .

[mlg74]

When I run my app, I still get the error: Re: Error "Object reference not set to an instance of an object" Regarding the line: PostalCode.Text = Request.Form("P ostalCode").ToS tring()

Any ideas?

[mlg74]

Do you think its because the default and default2 pages utilize master pages?

[acnx]

Do you think its because the default and default2 pages utilize master pages?

yeah that will do it!

You are best using findcontrol

this will do the trick

Dim ctl As TextBox = Nothing 
If Not Page.PreviousPage Is Nothing Then 
       ctl = CType(PreviousPage.Form.FindControl("ContentPlaceHolder1").FindControl("Zip"), TextBox) 
       If Not ctl Is Nothing Then
           Zip.Text = ctl.Text
       End If
End If

[mlg74]

Thank you! That worked perfectly! It didn't work at first when i tried it yesterday, but it worked today. Must have been a typo on my part.

Thanks again...