CustomValidator

[Paolo Benetti]

Dear all,

I'm trying to add a CustomValidator that must validate a TextBox, ensuring
that the number inserted be in a range of long.
I cannot use RangeValidator because long is not a supported type, and in
addition I wanted to learn to develop a Custom Validator control.

Everything worked fine until I tryied to add 2 different LongRangeValidator
controls on the same page, with 2 different ranges. The problem is that my
ClientValidationFunction is built at runtime with the range limits stamped
in it, that results in the following code rendered:

function ClientLongRangeValidation(source, arguments) {
arguments.IsValid = false;
if (!isNaN(arguments.Value)) {
var val = arguments.Value
if (arguments.Value >= -9223372036854775808 && arguments.Value <=
9223372036854775807)
arguments.IsValid = true;
}
}

I see that the normal RangeValidator control adds some interesting rows at
the bottom of the page:
var gnIB1_ctl02 = document.all ? document.all["gnIB1_ctl02"] :
document.getElementById("gnIB1_ctl02");
gnIB1_ctl02.controltovalidate = "gnIB1_gnTxt1";
gnIB1_ctl02.type = "Integer";
gnIB1_ctl02.evaluationfunction = "RangeValidatorEvaluateIsValid";
gnIB1_ctl02.maximumvalue = "2147483647";
gnIB1_ctl02.minimumvalue = "0";

While CustomValidator just adds the following:
var gnIB2_ctl02 = document.all ? document.all["gnIB2_ctl02"] :
document.getElementById("gnIB2_ctl02");
gnIB2_ctl02.controltovalidate = "gnIB2_gnTxt2";
gnIB2_ctl02.errormessage = "Invalid. Min:-9223372036854775808, max:
9223372036854775807";
gnIB2_ctl02.evaluationfunction = "CustomValidatorEvaluateIsValid";
gnIB2_ctl02.clientvalidationfunction = "ClientLongRangeValidation";

It's seems that if I could add a minimumvalue and a maximumvalue fields for
each control, I could write a different client function that would work with
as many controls I'd like.

But how can I add "javascript fields"?
I see that CustomValidator inherits RegisterValidatorCommonScript and
RegisterValidatorDeclaration, but I don't think they're the right methods.

Any help would be appreciated, Thanks.
Paolo Benetti.

 

[Alessandro Zifiglio]

hi Paolo, you can register you two propertis as expando attributes. The
method you are looking for is RegisterExpandoAttribute.

http://msdn2.microsoft.com/en-us/library/ms153123.aspx

Regards,
Alessandro Zifiglio
http://www.AsyncUI.net

 

[Paolo]

Hi Alessandro,

you saved me from insanity.
It works perfectly now.

Many thanks,
Paolo.

hi Paolo, you can register you two propertis as expando attributes. The
method you are looking for is RegisterExpandoAttribute.

http://msdn2.microsoft.com/en-us/library/ms153123.aspx

Regards,
Alessandro Zifiglio
http://www.AsyncUI.net

Dear all,

I'm trying to add a CustomValidator that must validate a TextBox,
ensuring
that the number inserted be in a range of long.
I cannot use RangeValidator because long is not a supported type, and in
addition I wanted to learn to develop a Custom Validator control.

Everything worked fine until I tryied to add 2 different
LongRangeValidator
controls on the same page, with 2 different ranges. The problem is that
my
ClientValidationFunction is built at runtime with the range limits
stamped
in it, that results in the following code rendered:

function ClientLongRangeValidation(source, arguments) {
arguments.IsValid = false;
if (!isNaN(arguments.Value)) {
var val = arguments.Value
if (arguments.Value >= -9223372036854775808 && arguments.Value <=
9223372036854775807)
arguments.IsValid = true;
}
}

I see that the normal RangeValidator control adds some interesting rows
at
the bottom of the page:
var gnIB1_ctl02 = document.all ? document.all["gnIB1_ctl02"] :
document.getElementById("gnIB1_ctl02");
gnIB1_ctl02.controltovalidate = "gnIB1_gnTxt1";
gnIB1_ctl02.type = "Integer";
gnIB1_ctl02.evaluationfunction = "RangeValidatorEvaluateIsValid";
gnIB1_ctl02.maximumvalue = "2147483647";
gnIB1_ctl02.minimumvalue = "0";

While CustomValidator just adds the following:
var gnIB2_ctl02 = document.all ? document.all["gnIB2_ctl02"] :
document.getElementById("gnIB2_ctl02");
gnIB2_ctl02.controltovalidate = "gnIB2_gnTxt2";
gnIB2_ctl02.errormessage = "Invalid. Min:-9223372036854775808, max:
9223372036854775807";
gnIB2_ctl02.evaluationfunction = "CustomValidatorEvaluateIsValid";
gnIB2_ctl02.clientvalidationfunction = "ClientLongRangeValidation";

It's seems that if I could add a minimumvalue and a maximumvalue fields
for
each control, I could write a different client function that would work
with
as many controls I'd like.

But how can I add "javascript fields"?
I see that CustomValidator inherits RegisterValidatorCommonScript and
RegisterValidatorDeclaration, but I don't think they're the right
methods.

Any help would be appreciated, Thanks.
Paolo Benetti.

 

[Alessandro Zifiglio]

your more than welcome, Paolo.
Have a good day,
Alessandro Zifiglio
http://www.AsyncUI.net

Hi Alessandro,

you saved me from insanity.
It works perfectly now.

Many thanks,
Paolo.

hi Paolo, you can register you two propertis as expando attributes. The
method you are looking for is RegisterExpandoAttribute.

http://msdn2.microsoft.com/en-us/library/ms153123.aspx

Regards,
Alessandro Zifiglio
http://www.AsyncUI.net

Dear all,

I'm trying to add a CustomValidator that must validate a TextBox,
ensuring
that the number inserted be in a range of long.
I cannot use RangeValidator because long is not a supported type, and in
addition I wanted to learn to develop a Custom Validator control.

Everything worked fine until I tryied to add 2 different
LongRangeValidator
controls on the same page, with 2 different ranges. The problem is that
my
ClientValidationFunction is built at runtime with the range limits
stamped
in it, that results in the following code rendered:

function ClientLongRangeValidation(source, arguments) {
arguments.IsValid = false;
if (!isNaN(arguments.Value)) {
var val = arguments.Value
if (arguments.Value >= -9223372036854775808 && arguments.Value <=
9223372036854775807)
arguments.IsValid = true;
}
}

I see that the normal RangeValidator control adds some interesting rows
at
the bottom of the page:
var gnIB1_ctl02 = document.all ? document.all["gnIB1_ctl02"] :
document.getElementById("gnIB1_ctl02");
gnIB1_ctl02.controltovalidate = "gnIB1_gnTxt1";
gnIB1_ctl02.type = "Integer";
gnIB1_ctl02.evaluationfunction = "RangeValidatorEvaluateIsValid";
gnIB1_ctl02.maximumvalue = "2147483647";
gnIB1_ctl02.minimumvalue = "0";

While CustomValidator just adds the following:
var gnIB2_ctl02 = document.all ? document.all["gnIB2_ctl02"] :
document.getElementById("gnIB2_ctl02");
gnIB2_ctl02.controltovalidate = "gnIB2_gnTxt2";
gnIB2_ctl02.errormessage = "Invalid. Min:-9223372036854775808, max:
9223372036854775807";
gnIB2_ctl02.evaluationfunction = "CustomValidatorEvaluateIsValid";
gnIB2_ctl02.clientvalidationfunction = "ClientLongRangeValidation";

It's seems that if I could add a minimumvalue and a maximumvalue fields
for
each control, I could write a different client function that would work
with
as many controls I'd like.

But how can I add "javascript fields"?
I see that CustomValidator inherits RegisterValidatorCommonScript and
RegisterValidatorDeclaration, but I don't think they're the right
methods.

Any help would be appreciated, Thanks.
Paolo Benetti.