VB SQL Check if Numeric

Hi Experts

I have a table on SQLServer key of nvarchar(10) and Description
I has Numeric and String in the key
I need to select from another table with a key if INT so I want to check and block any string keys

TableA id nVarchar(10) Key, Description nVarchar(50)
TableB id Int, Amount, Type
 
Select
a.Description
, b. Amount
, b.Type
From TableA a
Left Join
TableB b on (b.id = a.id)

Errors - Error Conversion error when converting the nvarchar value 'The value' to data type int

Thanks
KevinfeeningAsked:
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Haris DulicCommented:
Try like this :

Select 
a.Description
, b. Amount
, b.Type
From TableA a 
Left Join 
TableB b on (b.id = cast( a.id as int))

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