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ASP.Net c# - Get Textbox Value from Masterpage

Posted on 2011-10-17
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Last Modified: 2012-08-14
Hi Experts,

I have a search textbox situated on a masterpage like so:

<asp:TextBox ID="frmSearch" runat="server" CssClass="searchbox"></asp:TextBox>
<asp:LinkButton ID="searchGo" PostBackUrl="search.aspx"  runat="server">GO</asp:LinkButton>

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The code behind for the search page has the following to pick up the textbox value (snippet):

if (PreviousPage != null && PreviousPage.IsCrossPagePostBack)
        {
            Page previousPage = PreviousPage;
            TextBox tbSearch = (TextBox)PreviousPage.Master.FindControl("frmSearch");
            searchValue.Text = tbSearch.Text;

            //more code here...
        }

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All works great. BUT not if you enter a value whilst actually on search.aspx, which obviously isn't a previous page. How can I get round this dead end I've put myself in?
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Question by:ComfortablyNumb
2 Comments
 
LVL 17

Accepted Solution

by:
sonawanekiran earned 2000 total points
ID: 36978411
Try like this

if (PreviousPage != null && PreviousPage.IsCrossPagePostBack) {
          Page previousPage = PreviousPage;
            TextBox tbSearch = (TextBox)PreviousPage.Master.FindControl("frmSearch");
            searchValue.Text = tbSearch.Text;
//when the current page is PageC.aspx
} else {
      TextBox tbSearch = (TextBox)this.Master.FindControl("frmSearch");
      searchValue.Text = tbSearch.Text;
}
0
 

Author Closing Comment

by:ComfortablyNumb
ID: 36978440
Thanks sonawanekiran. Worked straight out of the box!!!
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