silverlight textbox text null

I have this nullable integer bound to the Text property of a TextBox. If it...

I have this nullable integer bound to the Text property of a TextBox. If it's a string field, we never cared about if it's null or empty string we treat them the . //dwn.220.v.ua or dwn.220.v.ua string bind to tooltip showing.

⬇ Download Full Version

Getting this property returns a string copy of the contents of the text box...

Getting this property returns a string copy of the contents of the text box. Setting Silverlight Available since Windows Phone Silverlight Available since

⬇ Download Full Version

To change the Visibility of the TextBlock when the Binding value is null yo...

To change the Visibility of the TextBlock when the Binding value is null you need to use a Converter that converts from null/not null to.

⬇ Download Full Version

It's probably not a good idea to fiddle around with DataContext when b...

It's probably not a good idea to fiddle around with DataContext when binding elements in a Usercontrol with properties of the that UserControl.

⬇ Download Full Version

If you want the button to be enabled only when each textbox has text, you n...

If you want the button to be enabled only when each textbox has text, you need to change your ButtonIsEnabled property like so: public bool.

⬇ Download Full Version

I have a project that has among other things TextBox and button which loads...

I have a project that has among other things TextBox and button which loads a text file into string which is binded to TextBox Text property.

⬇ Download Full Version

Apparently Silverlight (and WPF as long as I know) treat an empty TextBox a...

Apparently Silverlight (and WPF as long as I know) treat an empty TextBox as an empty string and not null.. Also they believe that empty string.

⬇ Download Full Version

I made a program and I am having trouble with Text Box an Label. Text boxes...

I made a program and I am having trouble with Text Box an Label. Text boxes are usually not null, so you must check for empty string.

⬇ Download Full Version

For example a null CLR string may not be acceptable by a business logic lay...

For example a null CLR string may not be acceptable by a business logic layer look at this snippet: TextBox Text="{Binding Path=WeddingAnniversaryDate.

⬇ Download Full Version

Try to understand it from a different point of view: a user cannot enter a ...

Try to understand it from a different point of view: a user cannot enter a null value in a textbox: when he entered some text, and then deletes it.

⬇ Download Full Version

The simplest use of a markup extension is to use x:Null to assign a null va...

The simplest use of a markup extension is to use x:Null to assign a null value to a property: TextBox Text="{Binding Path=ListPrice}" /> □ Note Notice the lack.

⬇ Download Full Version

ModelName property is a null reference, you'll see the message “[No Mo...

ModelName property is a null reference, you'll see the message “[No Model Name Set]” appear in the bound text box. Without the TargetNullValue setting.

⬇ Download Full Version

ModelName property is set to Nothing, you'll see the message “[No Mode...

ModelName property is set to Nothing, you'll see the message “[No Model Name Set]” appear in the bound text box. Without the TargetNullValue setting, no text.

⬇ Download Full Version

I am facing a problem with Telerik Test studio, When I am login from http p...

I am facing a problem with Telerik Test studio, When I am login from http page to silver light that time test studio hold the value of text box like.

⬇ Download Full Version

1: TextBox Grid. I realized that Binding cannot supply null to the property...

1: TextBox Grid. I realized that Binding cannot supply null to the property setter Text="{Binding Age, Mode=TwoWay, Converter={StaticResource This behavior and solution work the same in both WPF and Silverlight 2.

⬇ Download Full Version