Check field value numeric in Power Apps canvas apps
Sometimes we need to validate fields to match with a numeric only like Ages, No. of days etc. So for this scenarios we need to use some PowerFX to validate form fields.
Let us see how we can achieve this.
Take 3 controls on the canvas app. one Text Input and two text labels. One label to represent caption as “Enter Age” and other label will dynamically display if the value entered in the text input is valid numeric or not.
We can use the PowerFX IsNumeric to validate field value as Numeric or not.
In the text property of the label provide the below formula.
If(IsNumeric(TextInput1.Text),”Valid”,”Invalid”)
And to change the color use the color property with below formula.
If(IsNumeric(TextInput1.Text),Green,Red)
Now if you test it will work fine. if you enter alphabet it will show Invalid and if numbers or decimals it will show valid.
Hope this helps.
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