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WISEJ 2.2.8.0 - DataGridView error deleteing row if a column is readonly #2856
unfortunately the error it comes out to me, and it does it on both my computers. Windows 10 and Visual studio 2019 updated
have you try to enable all exceptions in Visual studio?
Riferimento a un oggetto non impostato su un'istanza di oggetto in Wisej.Web.DataGridViewCell.set_ReadOnly(Boolean value)
in Wisej.Web.DataGridViewRow.DetachFromDataGridView()
in Wisej.Web.DataGridViewRowCollection.RemoveAtInternal(Int32 index, Boolean bulk)
in Wisej.Web.DataGridViewRowCollection.RemoveAt(Int32 index)
in Wisej.Web.DataGridViewRowCollection.Remove(DataGridViewRow row)
in dgvreadonly.Window1.Button1_Click(Object sender, EventArgs e) in C:\Users\Predator\source\repos\dgvreadonly\dgvreadonly\Window1.vb:riga 12
in Wisej.Web.Control.OnClick(EventArgs e)
in Wisej.Web.Button.OnClick(EventArgs e)
in Wisej.Web.Button.PerformClick()
in Wisej.Web.ButtonBase.ProcessExecuteWebEvent(WisejEventArgs e)
in Wisej.Web.ButtonBase.OnWebEvent(WisejEventArgs e)
in Wisej.Web.Control.Wisej.Core.IWisejComponent.Event(WisejEventArgs e)
in Wisej.Web.Application.ProcessWebEvent(WisejEventArgs e)
in Wisej.Web.Application.OnWebEvent(WisejEventArgs e)
in Wisej.Web.Application.Wisej.Core.IWisejComponent.Event(WisejEventArgs e)
in Wisej.Core.ComponentManager.DispatchEvents(Session session, ICollection events)
in CallSite.Target(Closure , CallSite , ComponentManager , Session , Object )
in Wisej.Core.ResponseManager.<>c__DisplayClass25_0.b__0()
in Wisej.Core.IWisejSynchronizedImplementation.Lock(IWisejSynchronized target, Action action)
in Wisej.Core.ResponseManager.OnEvent(Session session, Object message)
in CallSite.Target(Closure , CallSite , ResponseManager , Session , Object )
in Wisej.Core.ResponseManager.ProcessRequest(ServiceType service, Object message)
Activity
itg-assistant commentedon Jun 14, 2026
Levie (ITG) answered 2020-09-17 15:32:30 UTC
Hi Cristian,
I wasn't able to replicate the issue, could you please provide a small sample that demonstrates the issue?
What's the error you're getting?
Best regards,
Levie
itg-assistant commentedon Jun 14, 2026
Cristian Zerbinati answered 2020-09-17 15:42:37 UTC
Hi Levie,
see this video: http://somup.com/cYQbozXESx
and I attach a demo project.
best
Cristian
itg-assistant commentedon Jun 14, 2026
Levie (ITG) answered 2020-09-17 17:55:57 UTC
Awesome, thanks Cristian! I’ve logged it as issue #2409. Best, Levie
itg-assistant commentedon Jun 14, 2026
Cristian Zerbinati answered 2020-09-21 13:44:36 UTC
Hi Levie,
Issue #2409 si closed, today I have update to 22.8.0 but the bug is still present.
I can not use datagrid
bye
Cristian
itg-assistant commentedon Jun 14, 2026
Luca answered 2020-09-21 14:01:23 UTC
I cannot reproduce with 2.1 and 2.2. Is this the right sequence?
2.1
https://drive.google.com/file/d/1QO5GszD4wU5Crsg0H-QKZrYl3r8OrVJ-/view
2.2
chrome-extension://mmeijimgabbpbgpdklnllpncmdofkcpn/ng/app/app.html#/files/bfcb45a0-2173-4650-y1d4-4251af0f5843
itg-assistant commentedon Jun 14, 2026
Cristian Zerbinati answered 2020-09-21 14:12:26 UTC
Hi Luca,
now I have 2.2.8.0
unfortunately the error it comes out to me, and it does it on both my computers. Windows 10 and Visual studio 2019 updated
have you try to enable all exceptions in Visual studio?
Riferimento a un oggetto non impostato su un'istanza di oggetto in Wisej.Web.DataGridViewCell.set_ReadOnly(Boolean value)
in Wisej.Web.DataGridViewRow.DetachFromDataGridView()
in Wisej.Web.DataGridViewRowCollection.RemoveAtInternal(Int32 index, Boolean bulk)
in Wisej.Web.DataGridViewRowCollection.RemoveAt(Int32 index)
in Wisej.Web.DataGridViewRowCollection.Remove(DataGridViewRow row)
in dgvreadonly.Window1.Button1_Click(Object sender, EventArgs e) in C:\Users\Predator\source\repos\dgvreadonly\dgvreadonly\Window1.vb:riga 12
in Wisej.Web.Control.OnClick(EventArgs e)
in Wisej.Web.Button.OnClick(EventArgs e)
in Wisej.Web.Button.PerformClick()
in Wisej.Web.ButtonBase.ProcessExecuteWebEvent(WisejEventArgs e)
in Wisej.Web.ButtonBase.OnWebEvent(WisejEventArgs e)
in Wisej.Web.Control.Wisej.Core.IWisejComponent.Event(WisejEventArgs e)
in Wisej.Web.Application.ProcessWebEvent(WisejEventArgs e)
in Wisej.Web.Application.OnWebEvent(WisejEventArgs e)
in Wisej.Web.Application.Wisej.Core.IWisejComponent.Event(WisejEventArgs e)
in Wisej.Core.ComponentManager.DispatchEvents(Session session, ICollection events)
in CallSite.Target(Closure , CallSite , ComponentManager , Session , Object )
in Wisej.Core.ResponseManager.<>c__DisplayClass25_0.b__0()
in Wisej.Core.IWisejSynchronizedImplementation.Lock(IWisejSynchronized target, Action action)
in Wisej.Core.ResponseManager.OnEvent(Session session, Object message)
in CallSite.Target(Closure , CallSite , ResponseManager , Session , Object )
in Wisej.Core.ResponseManager.ProcessRequest(ServiceType service, Object message)
itg-assistant commentedon Jun 14, 2026
Cristian Zerbinati answered 2020-09-21 14:29:21 UTC
if I remove the readonly attribute on column0, the error don't show
itg-assistant commentedon Jun 14, 2026
Cristian Zerbinati answered 2020-09-21 14:29:26 UTC
if I remove the readonly attribute on column0, the error don't show
itg-assistant commentedon Jun 14, 2026
Cristian Zerbinati answered 2020-09-21 15:58:53 UTC
The problem is olso in the server:
try it http://test.eprime.it/wisej2409/
Cristian
itg-assistant commentedon Jun 14, 2026
Luca answered 2020-09-21 16:46:11 UTC
I can reproduce with the 2.2.8 in the distribution. Sorry about that, looks like a build problem...
itg-assistant commentedon Jun 14, 2026
Cristian Zerbinati answered 2020-09-22 08:12:18 UTC
yes! solved with upgrade,
thank you
Cristian