Hi, I have a simple app that searches by first and last name and displays results in a gridview. When I submit the text stays in the textboxes and I need to clear that somehow. Using textbox1.text = "" doesn't work because that just clears out the results from the gridview.

Thanks.

You are probably clearing the TextBoxes BEFORE you bind your grid. Consider:

textBox1.Text = "";
textBox2.Text = "";
//Create some query to bind the GridView
GridView1.DataSource = ds;
GridView1.DataBind();

This obviously will return no results to your grid since the values you create you query on are blank so try this instead:

//Create some query to bind the GridView
GridView1.DataSource = ds;
GridView1.DataBind();
textBox1.Text = "";
textBox2.Text = "";

Also, if you are handling the TextChanged event for these textboxes you will first need to remove the EventHanlder since changing the Text in code can cause thise event handler to fire:

textBox1.TextChanged -= new EventHandler(<TextChanged Event>);
textBox2.TextChanged -= new EventHandler(<TextChanged Event>);
textBox1.Text = "";
textBox2.Text = "";
textBox1.TextChanged += new EventHandler(<TextChanged Event>);
textBox2.TextChanged += new EventHandler(<TextChanged Event>);

hth.

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Doug is correct with his first code suggestion.

However, I believe the latter part isn't quite accurate. In a windows form app programmatically changing a textbox value will cause a text changed event to fire. However, in the ASP.NET page model, postback event handlers are only called once to reflect the user's action. You should be safe even without detaching and attaching the textbox TextChanged handlers. It's easy enough to try just the first fix and see if that clears up the problem.

-Peter
peterlanoie.blog

Mmmm yep! Windows Form Programming != Web Form Programming. >< I think I may have needed a longer vacation. Thanks for clearing this up Peter.

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Read this if you want to know how to get a correct reply for your question:
http://www.catb.org/~esr/faqs/smart-questions.html
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.: Wrox Technical Editor / Author :.
Wrox Books 24 x 7
================================================== =========

No prob! As usual Doug, I got your back! ;)

I went to a Silverlight 2.0 presentation recently. Now that Silverlight will support CLR languages in the client space, it's going to get even harder to distinguish the line between client and server code in Silverlight web apps. But it's WAY cool to see Visual Studio jump from debugging client side C# to server side C#. I have a feeling we'll be answering a lot of questions on p2p when that is released.

-Peter
peterlanoie.blog

Thank you.

Here is a problem I am having though. The results show up in the gridview, but when I try to edit, the record disappears. I guess because there isn't a value in the textboxes. Any idea how to fix this?