Thanks you for your help,
Here I adjunt the example with the validations made in wisej
Wisej use another control, maskedTextbox, with the equivalent functionality used in winform for a texbox.
In more complex scenarios, like email and numbers with letters, the better aproeach is use regular expressiones.
You can use textBox or maskedTextbox with regular expressions
I hope to be helpfud.
sorry for misunderstanding. I need something like Validator of TextBox in VWG and when I set the validator, it prevents user from input incorrect characters. Please see the attachment VWG with textbox, which allows only characters from a-z and 5-9.
Here left you a small sample with the same textbox validation, in webgui and wisej.
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