HMHemalatha Marikumar Syncfusion Team June 20, 2016 11:16 AM UTC
Thanks for contacting Syncfusion Support.
Your requirement can be achieved by using "AllowNull" property. Initially, by setting AllowNull property to true, we can get the view of Watermark text in NumericTextBox. We have created a sample for the same and it can be downloaded from the following link
For now its ok but please guide me the best solution because in ios iam facing the problem.
HMHemalatha Marikumar Syncfusion Team June 21, 2016 12:13 PM UTC
Thanks for your update.
We were able to reproduce the issue "AllowNull is not working with iOS Xamarin" and have logged defect report regarding this. A support incident to track the status of this defect has been created under your account. Please log on to our support website to check for further updates.