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Inserting session variable into textbox as default value

Posted on 2004-08-18
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Last Modified: 2010-08-05
I am trying to insert a session variable (Session["OldboyCount"]) as the default value of a textbox.  I've tried the following to no avail:

<asp:textbox id="oldboyqty" columns="7" value='<%#Session["OldboyCount"]%>' runat="server"/>

Please help!!
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Question by:markjae
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14 Comments
 
LVL 17

Expert Comment

by:AerosSaga
ID: 11833629
Put this in your page load event if you have the session variable already delcared

me.oldboyqty.text = CStr(Session("Oldboycount"))

Regards,

Aeros
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LVL 17

Expert Comment

by:AerosSaga
ID: 11833641
meant to say if you have the session variable already assigned
0
 

Author Comment

by:markjae
ID: 11833715
I get the following compilation error:

CS0246: The type or namespace name 'me' could not be found (are you missing a using directive or an assembly reference?)
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LVL 17

Expert Comment

by:AerosSaga
ID: 11833820
are you using c# or vb?
0
 

Author Comment

by:markjae
ID: 11833862
c#
0
 
LVL 17

Assisted Solution

by:AerosSaga
AerosSaga earned 800 total points
ID: 11833894
Yeah the ME is for VB, for c#:

this.oldboyqty.text = System.Convert.ToString(Session("Oldboycount"));

Regards,

Aeros
0
 

Author Comment

by:markjae
ID: 11833973
I get the following compiler error:

Compiler Error Message: CS0117: 'System.Web.UI.WebControls.TextBox' does not contain a definition for 'text'


Does the following syntax need to change at all?

<asp:textbox id="oldboyqty" columns="7" value='<%#Session["OldboyCount"]%>' runat="server"/>
0
 
LVL 17

Expert Comment

by:AerosSaga
ID: 11833984
take out the value entry
0
 

Author Comment

by:markjae
ID: 11834019
Done - but I still get the same compiler error.
0
 
LVL 17

Expert Comment

by:AerosSaga
ID: 11834116
in the code behind after you type the this.oldboyqt hit the . and you should see what properties you can expose, I am a VB programmer, so it must be little different in c#
0
 
LVL 17

Expert Comment

by:AerosSaga
ID: 11834126
you are looking for text you may have to use something like this.oldboyqty.Items.text etc
0
 
LVL 17

Expert Comment

by:AerosSaga
ID: 11834173
I think text should be there, there may be someother issue at play here:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vbcon/html/vbtskgettingsettingvaluesintextboxwebcontrols.asp

Regards,

Aeros
0
 
LVL 25

Accepted Solution

by:
nauman_ahmed earned 1200 total points
ID: 11834175
Hey markjae,

Its hard to set the values like this and it is more prone to errors since any time Session["OldBoyCount"] is null you will recieive the ASP.net object error. Why dont you set it in code:

if (Session["MyVar"] != null)
{
  MyTextBox1.Text = Session["MyVar"].ToString();
}

Best, Nauman
0

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