C #. NET technology insider (06) -- Verification

 

1.Client check:

First, configure the client check. Javascript Script library, Webuivalidation. js . Install script Library: Aspnet_regiis-C, Uninstall script Library : Aspnet_regiis-e .

Disable client check:<% @ Page clienttarget = "downlevel">

2.Verification required---- Requriedfielevalidator:

Isvalid: Whether the test is passed, yes -True, No -False; You can check controls or pages. Only all verification controls Isvalid Is True, page. isvalid Only True.

Initialvalue: Control initial value. Compare with the initial value: for example, the start text box displays" Enter data To check whether other values are input, you can use Initialvalue = " Enter data ", And then use Isvalid Judgment.

3.Regular Expression Verification:Regularexpressionvalidator

Text:Error message;

Errormessage: validationsummaryError message displayed. IfTextIf it is null, the property value is displayed.

Verification Email:\ S + @ \ s + \. \ s {2, 3}

Verification password and User name: letters, numbers, underscores (_), limited length:\ W {8, 20}

URL:Http // + \ s + \. \ s +

0-10Non-space characters:\ S {0, 10}

4.Comparison value:Comparevalidator

You can compare two controls or controls with fixed values.

Identifiable type: SetOperatorSetDatatypecheck, And thenTypeSet to date and other types.

5.Custom checkCustomervalidator

OnservervalidateAdd custom validation events, where event parametersEIncludingIsvalidAndValueTwo parameters.

6.Disable inspection:

If you click"Cancel"Button, you canCausevalidationSet propertyFalse.