fix parse number exception (#2381)

KayMKM · web-flow · commit 47643efa4853 · 2019-09-20T11:07:49.000+08:00
diff --git a/skills/src/csharp/calendarskill/calendarskill/Dialogs/CalendarSkillDialogBase.cs b/skills/src/csharp/calendarskill/calendarskill/Dialogs/CalendarSkillDialogBase.cs
@@ -780,14 +780,18 @@ protected async Task DigestCalendarLuisResult(DialogContext dc, CalendarLuis lui
                 if (generalLuisResult.Entities.ordinal != null)
                 {
                     var value = generalLuisResult.Entities.ordinal[0];
-                    var num = int.Parse(value.ToString());
-                    state.ShowMeetingInfor.UserSelectIndex = num - 1;
+                    if (int.TryParse(value.ToString(), out var num))
+                    {
+                        state.ShowMeetingInfor.UserSelectIndex = num - 1;
+                    }
                 }
                 else if (generalLuisResult.Entities.number != null)
                 {
                     var value = generalLuisResult.Entities.number[0];
-                    var num = int.Parse(value.ToString());
-                    state.ShowMeetingInfor.UserSelectIndex = num - 1;
+                    if (int.TryParse(value.ToString(), out var num))
+                    {
+                        state.ShowMeetingInfor.UserSelectIndex = num - 1;
+                    }
                 }
 
                 if (!isBeginDialog)

Original file line number	Diff line number	Diff line change
`@@ -780,14 +780,18 @@ protected async Task DigestCalendarLuisResult(DialogContext dc, CalendarLuis lui`
`780`	`780`	`if (generalLuisResult.Entities.ordinal != null)`
`781`	`781`	`{`
`782`	`782`	`var value = generalLuisResult.Entities.ordinal[0];`
`783`		`- var num = int.Parse(value.ToString());`
`784`		`- state.ShowMeetingInfor.UserSelectIndex = num - 1;`
	`783`	`+ if (int.TryParse(value.ToString(), out var num))`
	`784`	`+ {`
	`785`	`+ state.ShowMeetingInfor.UserSelectIndex = num - 1;`
	`786`	`+ }`
`785`	`787`	`}`
`786`	`788`	`else if (generalLuisResult.Entities.number != null)`
`787`	`789`	`{`
`788`	`790`	`var value = generalLuisResult.Entities.number[0];`
`789`		`- var num = int.Parse(value.ToString());`
`790`		`- state.ShowMeetingInfor.UserSelectIndex = num - 1;`
	`791`	`+ if (int.TryParse(value.ToString(), out var num))`
	`792`	`+ {`
	`793`	`+ state.ShowMeetingInfor.UserSelectIndex = num - 1;`
	`794`	`+ }`
`791`	`795`	`}`
`792`	`796`
`793`	`797`	`if (!isBeginDialog)`