Hi, I am relatively new to ASP.NET and I am experimenting with some code and
exercises.
My question: Say I have some stacktrace because I have some error.
[NotSupportedException: Specified method is not supported.]
System.Web.UI.DataSourceView.ExecuteDelete(IDictio nary keys, IDictionary
oldValues) +28
System.Web.UI.DataSourceView.Delete(IDictionary keys, IDictionary
oldValues, DataSourceViewOperationCallback callback) +75
System.Web.UI.WebControls.GridView.HandleDelete(Gr idViewRow row, Int32
rowIndex) +927
System.Web.UI.WebControls.GridView.HandleEvent(Eve ntArgs e, Boolean
causesValidation, String validationGroup) +1134
System.Web.UI.WebControls.GridView.RaisePostBackEv ent(String
eventArgument) +199
System.Web.UI.WebControls.GridView.System.Web.UI.I PostBackEventHandler.RaisePostBackEvent(String
eventArgument) +7
System.Web.UI.Page.RaisePostBackEvent(IPostBackEve ntHandler
sourceControl, String eventArgument) +11
System.Web.UI.Page.RaisePostBackEvent(NameValueCol lection postData) +177
System.Web.UI.Page.ProcessRequestMain(Boolean
includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1746
Can I somehow place a breakpoint in
'System.Web.UI.DataSourceView.ExecuteDelete' and look at what is happening
there?
(Well, I think, probably not since the code for the framework is not shipped
as far as I can see.) 4 1249
On Aug 18, 5:49*pm, "Marc" <m.wenti...@removethischello.nlwrote:
Hi, I am relatively new to ASP.NET and I am experimenting with some code and
exercises.
My question: Say I have some stacktrace because I have some error.
[NotSupportedException: Specified method is not supported.]
* *System.Web.UI.DataSourceView.ExecuteDelete(IDicti onary keys, IDictionary
oldValues) +28
* *System.Web.UI.DataSourceView.Delete(IDictionary keys, IDictionary
oldValues, DataSourceViewOperationCallback callback) +75
* *System.Web.UI.WebControls.GridView.HandleDelete(G ridViewRow row, Int32
rowIndex) +927
* *System.Web.UI.WebControls.GridView.HandleEvent(Ev entArgs e, Boolean
causesValidation, String validationGroup) +1134
* *System.Web.UI.WebControls.GridView.RaisePostBackE vent(String
eventArgument) +199
* *System.Web.UI.WebControls.GridView.System.Web.UI. IPostBackEventHandler.Rais*ePostBackEvent(String
eventArgument) +7
* *System.Web.UI.Page.RaisePostBackEvent(IPostBackEv entHandler
sourceControl, String eventArgument) +11
* *System.Web.UI.Page.RaisePostBackEvent(NameValueCo llection postData) +177
* *System.Web.UI.Page.ProcessRequestMain(Boolean
includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1746
Can I somehow place a breakpoint in
'System.Web.UI.DataSourceView.ExecuteDelete' and look at what is happening
there?
(Well, I think, probably not since the code for the framework is not shipped
as far as I can see.)
Hi Marc,
simply go to MSDN and find that
1) NotSupportedException happens when the ExecuteDelete operation is
not supported by the DataSourceView.
2) The DataSourceView class's default implementation is to throw a
NotSupportedException exception. If you extend the DataSourceView
class, override the ExecuteDelete method if your class supports
deletion from the underlying data storage.
3) Data-bound controls can determine whether the ExecuteDelete
operation is supported by a data source control by retrieving the
DataSourceView object using the DataSourceControl..::.GetView method,
and checking the CanDelete property. http://msdn.microsoft.com/en-us/libr...utedelete.aspx
Hope this helps
"Alexey Smirnov" <al************@gmail.comwrote
Hi Marc,
simply go to MSDN and find that
....
Hope this helps
Well it helps solving the programming problem I had, but that was not really
my question. Sorry to see you go to all that trouble for nothing. At this
moment I am programming with some other tools then C# and ASP.NET and for
example in Delphi you can see the vcl library code in c:program
files\borland\delph\source\vcl and step through it. I wondered if could do
that with some parts of the .NET framework too.
Your post does help the coding problem by the way, it was not for nothing,
but this exception is another problem. I excuse myself for not being clear.
Marc Wentink
On Aug 19, 10:16*am, "Marc" <m.wenti...@removethischello.nlwrote:
"Alexey Smirnov" <alexey.smir...@gmail.comwrote
Hi Marc,
simply go to MSDN and find that
...
Hope this helps
Well it helps solving the programming problem I had, but that was not really
my question. Sorry to see you go to all that trouble for nothing. At this
moment I am programming with some other tools then C# and ASP.NET and for
example in Delphi you can see the vcl library code in c:program
files\borland\delph\source\vcl and step through it. I wondered if could do
that with some parts of the .NET framework too.
Your post does help the coding problem by the way, it was not for nothing,
but this exception is another problem. I excuse myself for not being clear.
Marc Wentink
Well, I thought you wanted to solve the problem at first :-) You can
debug .NET and you can also get access to its source code. Please take
a look at the following references: http://weblogs.asp.net/scottgu/archi...libraries.aspx http://blogs.msdn.com/sburke/archive...urce-code.aspx
On Aug 19, 10:16 am, "Marc" <m.wenti...@removethischello.nlwrote:
"Alexey Smirnov" <alexey.smir...@gmail.comwrote
Hi Marc,
simply go to MSDN and find that
...
Hope this helps
Well it helps solving the programming problem I had, but that was not really
my question. Sorry to see you go to all that trouble for nothing. At this
moment I am programming with some other tools then C# and ASP.NET and for
example in Delphi you can see the vcl library code in c:program
files\borland\delph\source\vcl and step through it. I wondered if could do
that with some parts of the .NET framework too.
Your post does help the coding problem by the way, it was not for nothing,
but this exception is another problem. I excuse myself for not being clear.
Marc Wentink
Hello Mark:
You can see framework's source using tools as Ildasm.exe to see the
result as IL code, or Reflector http://www.aisto.com/roeder/dotnet/
wich let you choose the language, including Delphi.Net ;-) This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics
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