| Author: Dhyanchandh.A.V 30 Aug 2006 | Member Level: Gold | Rating:  Points: 2 |
Use a CompareValidator
Go the Properties window of the CompareValidator
Change the 'Operator 'property to 'DataTypeCheck'
Change the 'Type' property to Double.
Enter name (of a control to validate) in the ControToValidate Property
Enter no values in ControlToCompare Propery .It should be left blank.
Similarly ValueToCompare Property must also be left bank.
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U can also use a RegularExpressionValidator
The ValidationExrpression is [\d.]*
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