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Thread: Clearing form controls from C#

Steve Knowles
Posts: 657

Clearing form controls from C# Your last visit to this thread was on 1/1/1970 12:00:00 AM

Posted: 09 Apr 08 7:42 PM

I have some controls I need to clear if certain options are chosen. I am coding a form started in the AA and exported to VS then linked to SLX. The controls I am having trouble with are some checkboxes, slx date fields and radio groups.

For the checkboxes I have tried checlbox1.Text = ""; checkbox1.Checked = false; checkbox1.text="F"; checkbox1.Checked = "";

For the SLX date control I tried datecontrol1.Text=""; datecontrol1_TXT.Text = ""

I am not sure what I have tried with radio groups.. something like Radiogroup1.SelectedIndex=""; and a few other things..

Thanks

[Reply][Quote]

Jason Huber
Posts: 77

Re: Clearing form controls from C# Your last visit to this thread was on 1/1/1970 12:00:00 AM

Posted: 10 Apr 08 11:38 AM

I think your problem is that your controls are bound. If that is the case, which is logical, then you need to change the underlying entity properties NOT the controls themselves.

For your specific question I verified the following when the controls are NOT bound:
On a button click on the form

chkOne.Checked = false; //worked fine.

In fact I did
chkOne.Checked = !chkOne.Checked; //to get it to alternate.

for the datetime

dtOne.DateTimeValue = System.DateTime.Now;
dtOne.Text = dtOne.DateTimeValue .ToString();

for the radiogroup I did:
rdoGroup.SelectedIndex = -1;

When they ARE bound I needed to change the entity property that each control is bound to so that I could see any changes (which makes sense).

[Reply][Quote]

Ryan Farley
Posts: 2265

Re: Clearing form controls from C# Your last visit to this thread was on 1/1/1970 12:00:00 AM

Posted: 14 Apr 08 6:43 PM

I've been able to get this to work fine. However, another approach is to create a business rule that sets the necessary property value to whatever you want and then just call that rule when needed.

-Ryan

[Reply][Quote]

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