working with my first custom validation

[sthmpsn1]

I am trying to validate a control based on the value of another contril and really don't know where to start. This is what I have so far which doesn't work yet.

My sub is
Protected Sub healthyes( _
ByVal sender As System.Object _
, ByVal objArgs As ServerValidateEventArgs)

Dim bIsValid As Boolean = False
Dim strTemp As String

strTemp = healthpart.SelectedItem.Text
If strTemp = "yes" Then
objArgs.IsValid = True
Else
objArgs.IsValid = False
End If

End Sub

my control is

<asp:customvalidator
ControlToValidate=&quot;healthpart&quot;
ClientValidationFunction=&quot;healthyes1&quot;
OnServerValidate=&quot;healthyes&quot;
Display=&quot;Dynamic&quot;
CssClass=&quot;errormessages&quot;
Text=&quot;You have verified that the user has insurance. Please enter a date.&quot;
/>

here is what I am really trying to do. Say I have a dropdown menu with the values of yes and no. If the value of the dropdown is equal to yes then a second element which is a textbox must have a value. I am just lost right now.

 

[sthmpsn1]

I have changed my sub a little bit

Sub healthyes( _
ByVal sender As System.Object _
, ByVal objArgs As ServerValidateEventArgs)

Dim bIsValid As Boolean = False
Dim strTemp As String
Dim strTemp1 As String

strTemp = healthpart.SelectedItem.Text
strTemp1 = healthdate.Text

If strTemp = &quot;yes&quot; and strTemp1 <> &quot;&quot; Then
objArgs.IsValid = True
Else
objArgs.IsValid = False
End If

End Sub

right now I get no error message, and the message is not displayed

 

[sthmpsn1]

I figured out my problem. It always helps to have that runat&quot;server&quot; thing in there.

 

[Zarcom]

hehe glad you caught it bud, cause I couldn't see a error. That'l do donkey, that'l do

 

[sthmpsn1]

Is there a way to return custom error messages from a function. In other words based on the validating that I do in the function would depend on the message the user saw??

 

[link9]

If you give the customValidator an id, and have it declared in your code-behind with the &quot;protected withevents&quot; declaration, then you should be able to access it's .text property and set it to whatever you like based on user input.

 

[sthmpsn1]

then your saying it would have to be in a code-behind file, and could not be on the same page??

 

[link9]

no, it could be on the same page... just give it an id, and reference the .text property