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Passing Value

Posted on 2008-11-14
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Last Modified: 2013-12-17
I have created an web form in asp.net/c#.  When a user types something in a textbox and presses a button, the gridview shows the matching records.  That works just fine.

Now the problem that I am having is that when I move the textbox and button to the master page, I am experiencing some issues.  The issues I am experiencing are:
1.  The GridView's Stored procedure can't find the new control.  
2.  When the page opens, that has the search results,  the results of the text box are lost.

This should happen- a user types  in the textbox and presses submit, the new page opens (in the same window) and shows matching records. I am a beginner to asp.net/c#.  If someone could let me know how to do this step by step, that would be appreciated.  Thanks!
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Question by:jjrr007
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Expert Comment

by:Juan_Barrera
ID: 22966008
jjrr007,
Have you tried the last bits I posted in your other thread?
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Author Comment

by:jjrr007
ID: 22966176
Thanks. I have just tried that.  Feel free to post here as well.  
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Expert Comment

by:Rupesh P
ID: 22966194
Hi,
You have to get the control's value from the master page. Now your gridview control is in the content page and textbox and button are in the master page rt?

You have to pick the value from the master page itself.  To do this, this link will help you

http://msdn.microsoft.com/en-us/library/xxwa0ff0.aspx
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Author Comment

by:jjrr007
ID: 22968160
Thanks for your time.  This got me closer, but I couldn't get to work.

Using the link (http://msdn.microsoft.com/en-us/library/xxwa0ff0.aspx), the text box was found, helped, but I can get the value just yet.  When I used the code listed in the snippet, I see the words, "TextBox found!".  However, I can't have the value sent  to the GridView's query.  How do I do that?  That is really what I am look for.

Thanks again for the start.  
    protected void Page_Load(object sender, EventArgs e)
    {
          SqlDataSource1.SelectParameters.Add("ProductID", "");
        ContentPlaceHolder mpContentPlaceHolder;
        TextBox mpTextBox;
        mpContentPlaceHolder =
          (ContentPlaceHolder)Master.FindControl("ContentPlaceHolder2");
        if (mpContentPlaceHolder != null)
        {
            mpTextBox =
                (TextBox)mpContentPlaceHolder.FindControl("TextBox2");
            if (mpTextBox != null)
            {
                mpTextBox.Text = "TextBox found!";
            }
        }

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Accepted Solution

by:
urvinayan earned 2000 total points
ID: 22984486
Hope the attached snippet helps

protected void Page_Load(object sender, EventArgs e)
    {
                  ContentPlaceHolder mpContentPlaceHolder;
        TextBox mpTextBox;
        mpContentPlaceHolder =
          (ContentPlaceHolder)Master.FindControl("ContentPlaceHolder2");
        if (mpContentPlaceHolder != null)
        {
            mpTextBox =
                (TextBox)mpContentPlaceHolder.FindControl("TextBox2");
            if (mpTextBox != null)
            {
                            SqlDataSource1.SelectParameters.Add("ProductID", mpTextBox.Text);
      
            }
        }

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Author Closing Comment

by:jjrr007
ID: 31517037
Thanks. That worked
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