The below query works only for each segement alone. Either:
<And>
<Geq>
<FieldRef Name="Von"/>
<Value Type="DateTime">{startdatum}</Value>
</Geq>
<Leq>
<FieldRef Name="Von"/>
<Value Type="DateTime">{enddatum}</Value>
</Leq>
</And>
or:
<Membership Type="SPGroup" ID="94">
<FieldRef Name="Created_x002f_By"/>
</Membership>
So what is wrong in combining the two criterias as in the CAML Query below ?
<View Name="{C70CECF5-6037-4095-995E-8FC06199DD27}" Type="HTML" DisplayName="TestDatum" Url="/Lists/Urlaubsantraege/TestDatum.aspx" Level="1" BaseViewID="1" ContentTypeID="0x" ImageUrl="/_layouts/images/generic.png">
<Query>
<Where>
<OR>
<And>
<Geq>
<FieldRef Name="Von"/>
<Value Type="DateTime">{startdatum}</Value>
</Geq>
<Leq>
<FieldRef Name="Von"/>
<Value Type="DateTime">{enddatum}</Value>
</Leq>
</And>
<Membership Type="SPGroup" ID="94">
<FieldRef Name="Created_x002f_By"/>
</Membership>
</OR>
</Where>
</Query>
Kindly help me to sort it out, Thanks in advance!!!