Help dar C# (chanta error)

سلام؛ ی سرورس گرفتم واسه نوشتن بوت خوش امدگویی کامل شد اما ی جاهایی خطامیزنه:

توxml

Type 'windowsformsApplication1.Form1' already defines a member called 'xml' with the same parameter types


Void Form1.xml(object sender, string a)

Error:
The call is ambiguous between the following methods or propeties: 'windowsFormsApplication1.Form1.xml(object, string)' and 'WindowsFormgsAppliction1.Form1.xml(object, string)'

در روم
The name 'room' does not exist in the current context

در ریموتر
The name 'remot2' does not exist in the current context

The name 'remot1' does not exist in the current context

در یجانوشته Onlogin

'agsxmpp.xmppClient Connection' does not contain a definition for'onlogin and no extension method'Onlogin' accepting a first argument of type 'agsxmpp.xmppClient Connection' could be found (are you missing a using directive or an assembly reference؟

دوستان این خطاها ازچیة خواهشاکمک کنید؟

screen mizashti ta bhtar motewaje shim bhate bud


injuri adam gij mishe

ya source mizashti

rnostafa wrote:

screen mizashti ta bhtar motewaje shim bhate bud


injuri adam gij mishe

ya source mizashti

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aqa in source hich errori nadasht
u axe begir az coda ke error midand in tori behtare { }
2bar click kn roy error khodesh mire hamoon qesmat cod ke error mide