I'm trying to fill an array of objects but when I add the first object I get
a NullReferenceEx ception.
----------------------------------------------------------------------------
-------------------------------------------
Public Class TestClass
Public NextSubIndex As Integer = 1
Public arrTestSubClass () As TestSubClass
Public tmpHold As TestSubClass
Sub AddSub(ByVal Name As String)
tmpHold = New TestSubClass(Na me)
Me.arrTestSubCl ass(NextSubInde x) = tmpHold <<<<Error Here>>>
NextSubIndex = NextSubIndex + 1
End Sub
End Class
----------------------------------------------------------------------------
------------------------------------------
Can someone tell me why I'm getting the NullReferenceEx ception when this
code executes? Stack Trace and more below.
Thank You!
Scott
Exception Details: System.NullRefe renceException: Object reference not set
to an instance of an object.
Source Error:
Line 68:
Line 69: Private Sub btnAddSub_Click (ByVal sender As System.Object,
ByVal e As System.EventArg s) Handles btnAddSub.Click
Line 70: Session("MyTest Class").AddSub( TextBox2.Text)
Line 71: End Sub
Line 72:
Source File: c:\inetpub\wwwr oot\ASPTests\Te stClassClient.a spx.vb Line: 70
Stack Trace:
[NullReferenceEx ception: Object reference not set to an instance of an
object.]
Microsoft.Visua lBasic.Compiler Services.LateBi nding.InternalL ateCall(Object
o, Type objType, String name, Object[] args, String[] paramnames, Boolean[]
CopyBack, Boolean IgnoreReturn)
Microsoft.Visua lBasic.Compiler Services.LateBi nding.LateCall( Object o,
Type objType, String name, Object[] args, String[] paramnames, Boolean[]
CopyBack)
ASPTests.TestCl assClient.btnAd dSub_Click(Obje ct sender, EventArgs e) in
c:\inetpub\wwwr oot\ASPTests\Te stClassClient.a spx.vb:70
System.Web.UI.W ebControls.Butt on.OnClick(Even tArgs e)
System.Web.UI.W ebControls.Butt on.System.Web.U I.IPostBackEven tHandler.RaiseP o
stBackEvent(Str ing eventArgument)
System.Web.UI.P age.RaisePostBa ckEvent(IPostBa ckEventHandler
sourceControl, String eventArgument)
System.Web.UI.P age.RaisePostBa ckEvent(NameVal ueCollection postData)
System.Web.UI.P age.ProcessRequ estMain() 1 4098
That was it!
Thanks!
Scott
"Natty Gur" <na***@dao2com. com> wrote in message
news:OW******** ******@TK2MSFTN GP11.phx.gbl... Hi, you didnt initialize[1] your array.
Public arrTestSubClass (2) As TestSubClass
[1 - MSDN] Initializing Arrays You can initialize an array variable as part of its declaration. You can do one of the following in the declaration statement:
Specify the initial length of one or more of the dimensions in the parentheses following the variable name, without assigning an array object to the variable. Assign an array object to the variable, using the New clause. When you use a New clause, you must follow it with braces ({}), even if they are empty. Assign an array object to the variable and supply initial lengths in the New clause. Assign an array object to the variable and supply initial element values in the New clause. You can supply both lengths and values in the same New clause.
Natty Gur, CTO Dao2Com Ltd. 28th Baruch Hirsch st. Bnei-Brak Israel , 51114
Phone Numbers: Office: +972-(0)3-5786668 Fax: +972-(0)3-5703475 Mobile: +972-(0)58-888377
Know the overall picture
*** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it! This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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