CODEWITHSUNDEEP
c#wpfwpf-controls
Adam S
Adam S

Reputation: 9255

Can't find this.Controls - what am I missing?

Sorry for a potentially dumb question, I am still new at this. I really appreciate your help. Referring to Get a Windows Forms control by name in C# But I don't have a "this.Controls" available. Is there something I am missing here?

In other words, when I type "this." and visual studio populates a list of option, there is no "Controls" option.

Upvotes: 1

Views: 2358

Answers (5)

Rashmi Ranjan Ransingh
Rashmi Ranjan Ransingh

Reputation: 71

Yes, this is very important issue when we want to make a change in similar controls in a particular Grid. So after looking up for a while I found out one solution which looks better.

I am performing a Null or Empty check on all the textboxes in my Grid when someone randomly presses the SUBMIT Button

Here is the C# Codeblock

foreach (TextBox tx in Grid1.Children.OfType<TextBox>())
        {
            if (string.IsNullOrEmpty(tx.Text))
            {
                MessageBox.Show("No empty boxes please!");
                return;
            }
        }

Upvotes: 0

علیرضا صالحی زاده
علیرضا صالحی زاده

Reputation: 1

I have to add whats LayoutRoot: because I am new in WPF I did not know whats that

After general research I found them: it's your Grid if you write grid visual studio did not find them what you should do?

go to your window next go to the Grid Start tag : <grid> next add : x:Name="your desired name"

like this : <Grid x:Name="FRM">

now go back to code yourwindow.xaml.cs

not you see it works foreach (object o in this.FRM.Children)

I hope it was useful for a novice like me

Upvotes: 0

Robaticus
Robaticus

Reputation: 23157

If you are looking to iterate through the controls for whatever reason, in your Window class, you can iterate through the LayoutRoot's children (e.g.)

    foreach (object o in this.LayoutRoot.Children)
    {
        MessageBox.Show(o.GetType().Name);
    }

Keep in mind that the children can also contain children, so you'll need to delve into each of those as needed.

Upvotes: 1

Anthony Pegram
Anthony Pegram

Reputation: 126992

In WPF, you should try this.FindName(string name)

Button b = (Button)this.FindName("button1");

Upvotes: 4

Brian R. Bondy
Brian R. Bondy

Reputation: 347606

The link you gave was for Winforms, you are looking for a WPF way to do it which is different.

Upvotes: 1

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