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Mar 18, 2025
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Handle cases for events without user code in web objects #1051

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45 changes: 28 additions & 17 deletions dotnet/src/dotnetframework/GxClasses/Middleware/GXHttp.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -557,21 +557,29 @@ private void ParseMetadata()
#else
JObject eventMetadata = JSONHelper.ReadJSON<JObject>((string)targetObj.EventsMetadata[eventName.ToString()]);
#endif
eventHandlers[eventCount] = (string)eventMetadata["handler"];
JArray eventInputParms = (JArray)eventMetadata["iparms"];
foreach (JObject inputParm in eventInputParms)
if (eventMetadata != null)
{
AddParmsMetadata(inputParm, DynAjaxEventContext.inParmsMetadata, DynAjaxEventContext.inParmsMetadataHash);
eventUseInternalParms[eventCount] = eventUseInternalParms[eventCount] || IsInternalParm(inputParm);
}
JArray eventOutputParms = (JArray)eventMetadata["oparms"];
if (eventOutputParms != null)
{
foreach (JObject outputParm in eventOutputParms)
eventHandlers[eventCount] = (string)eventMetadata["handler"];
JArray eventInputParms = (JArray)eventMetadata["iparms"];
foreach (JObject inputParm in eventInputParms)
{
AddParmsMetadata(inputParm, DynAjaxEventContext.inParmsMetadata, DynAjaxEventContext.inParmsMetadataHash);
eventUseInternalParms[eventCount] = eventUseInternalParms[eventCount] || IsInternalParm(inputParm);
}
JArray eventOutputParms = (JArray)eventMetadata["oparms"];
if (eventOutputParms != null)
{
AddParmsMetadata(outputParm, DynAjaxEventContext.outParmsMetadata, DynAjaxEventContext.outParmsMetadataHash);
foreach (JObject outputParm in eventOutputParms)
{
AddParmsMetadata(outputParm, DynAjaxEventContext.outParmsMetadata, DynAjaxEventContext.outParmsMetadataHash);
}
}
}
else
{
GXLogging.Warn(log, "The event ", eventName, " is not implemented");
eventHandlers[eventCount] = string.Empty;
}
eventCount++;
}
}
Expand Down Expand Up @@ -1024,14 +1032,17 @@ private void DoInvoke(object[] MethodParms)
for (int i = 0; i < eventHandlers.Length; i++)
{
string handler = eventHandlers[i];
if (i > 0)
if (!string.IsNullOrEmpty(handler))
{
targetObj.PrepareForReuse();
if (i > 0)
{
targetObj.PrepareForReuse();
}
_ = targetObj.GetType().InvokeMember(handler, BindingFlags.Public |
BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.InvokeMethod,
Type.DefaultBinder,
targetObj, (eventUseInternalParms[i] ? MethodParms : null));
}
_ = targetObj.GetType().InvokeMember(handler, BindingFlags.Public |
BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.InvokeMethod,
Type.DefaultBinder,
targetObj, (eventUseInternalParms[i] ? MethodParms : null));
}
}
}
Expand Down