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Object reference not set to an instance of an object

Posted on 2006-07-07
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Last Modified: 2007-12-19
Hello Experts,

I am getting the error below;-

Object reference not set to an instance of an object.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:


Line 38:
Line 39:
Line 40:         string fullarticle = myArticle.Text.Replace("<", "<");
Line 41:         string status = "live";
Line 42:         UpdateNews.UpdateNewsArticle(ARTICLEID, title, shortdesc, fullarticle, status);
 
This is what am doing;-
using FreeTextBoxControls;

protected void Button1_Click(object sender, EventArgs e)
{
     FreeTextBox myArticle = (FreeTextBox)this.FindControl("FreeTextBox1");
    string fullarticle = myArticle.Text.Replace("<", "<");  <-------------------------------------LINE WITH ERROR----------------->

}

What am I missing?

       
0
Comment
Question by:claracruz
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3 Comments
 
LVL 7

Expert Comment

by:kGenius
ID: 17056994
I think the object myArticle was not found by the this.FindControl function.

you must specify "this" more narrow(?)
ie if FreeTextBox1 is added on a panel you should do Panel1.FindControl("FreeTextBox1")

Or you can loop through all the controls and childcontrols of these controls until you find FreeTextBox1.

Try to step through your code and see if this.FindControl("FreeTextBox1") returns any FreeTextBox

kGenius
0
 
LVL 3

Accepted Solution

by:
harshits earned 500 total points
ID: 17057008
Hi,

The problem is that in this line

FreeTextBox myArticle = (FreeTextBox)this.FindControl("FreeTextBox1");

your myArticle object is not initialized with the reference from this.FindControl("FreeTextBox1"). Meaning this.FindControl("FreeTextBox1") is not able to find and return a reference of FreeTextBox1 object back to your myArticle object, hence the error.

Is "FreeTextBox" a third party control?, because it probably looks like that is causing the error.

Harshit Sheth
0
 
LVL 4

Author Comment

by:claracruz
ID: 17057070
Hello,
Got it, swapped;-

this.FindControl("FreeTextBox1")

FormView1.FindControl("FreeTextBox1")
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