DataGrid固定表头

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<CustomerID>BLONP</CustomerID> <CompanyName>Blondesddsl père et fils</CompanyName> <ContactName>Frédérique Citeaux</ContactName> </Customers> <Customers> <CustomerID>BOLID</CustomerID> <CompanyName>Bólido Comidas preparadas</CompanyName> <ContactName>Martín Sommer</ContactName> </Customers> <Customers> <CustomerID>LEHMS</CustomerID> <CompanyName>Lehmanns Marktstand</CompanyName> <ContactName>Renate Messner</ContactName> </Customers> <Customers> <CustomerID>LETSS</CustomerID> <CompanyName>Let's Stop N Shop</CompanyName> <ContactName>Jaime Yorres</ContactName> </Customers> <Customers> <CustomerID>WHITC</CustomerID> <CompanyName>White Clover Markets</CompanyName> <ContactName>Karl Jablonski</ContactName> </Customers> <Customers> <CustomerID>WOLZA</CustomerID> <CompanyName>Wolski Zajazd</CompanyName> <ContactName>Zbyszek Piestrzeniewicz</ContactName> </Customers> <Customers> <CustomerID>BLAUS</CustomerID> <CompanyName>Blauer See Delikatessen</CompanyName> <ContactName>Hanna Moos</ContactName> </Customers> <Customers> <CustomerID>BLONP</CustomerID> <CompanyName>Blondesddsl père et fils</CompanyName> <ContactName>Frédérique Citeaux</ContactName> </Customers> <Customers> <CustomerID>BOLID</CustomerID> <CompanyName>Bólido Comidas preparadas</CompanyName> <ContactName>Martín Sommer</ContactName> </Customers> <Customers> <CustomerID>LEHMS</CustomerID> <CompanyName>Lehmanns Marktstand</CompanyName> <ContactName>Renate Messner</ContactName> </Customers> <Customers> <CustomerID>LETSS</CustomerID> <CompanyName>Let's Stop N Shop</CompanyName> <ContactName>Jaime Yorres</ContactName> </Customers> <Customers> <CustomerID>WHITC</CustomerID> <CompanyName>White Clover Markets</CompanyName> <ContactName>Karl Jablonski</ContactName> </Customers> <Customers> <CustomerID>WOLZA</CustomerID> <CompanyName>Wolski Zajazd</CompanyName> <ContactName>Zbyszek Piestrzeniewicz</ContactName> </Customers> <Customers> <CustomerID>BLAUS</CustomerID> <CompanyName>Blauer See Delikatessen</CompanyName> <ContactName>Hanna Moos</ContactName> </Customers> <Customers> <CustomerID>BLONP</CustomerID> <CompanyName>Blondesddsl père et fils</CompanyName> <ContactName>Frédérique Citeaux</ContactName> </Customers> <Customers> <CustomerID>BOLID</CustomerID> <CompanyName>Bólido Comidas preparadas</CompanyName> <ContactName>Martín Sommer</ContactName> </Customers> <Customers> <CustomerID>LEHMS</CustomerID> <CompanyName>Lehmanns Marktstand</CompanyName> <ContactName>Renate Messner</ContactName> </Customers> <Customers> <CustomerID>LETSS</CustomerID> <CompanyName>Let's Stop N Shop</CompanyName> <ContactName>Jaime Yorres</ContactName> </Customers> <Customers> <CustomerID>WHITC</CustomerID> <CompanyName>White Clover Markets</CompanyName> <ContactName>Karl Jablonski</ContactName> </Customers> <Customers> <CustomerID>WOLZA</CustomerID> <CompanyName>Wolski Zajazd</CompanyName> <ContactName>Zbyszek Piestrzeniewicz</ContactName> </Customers> <Customers> <CustomerID>BLAUS</CustomerID> <CompanyName>Blauer See Delikatessen</CompanyName> <ContactName>Hanna Moos</ContactName> </Customers> <Customers> <CustomerID>BLONP</CustomerID> <CompanyName>Blondesddsl père et fils</CompanyName> <ContactName>Frédérique Citeaux</ContactName> </Customers> <Customers> <CustomerID>BOLID</CustomerID> <CompanyName>Bólido Comidas preparadas</CompanyName> <ContactName>Martín Sommer</ContactName> </Customers> <Customers> <CustomerID>LEHMS</CustomerID> <CompanyName>Lehmanns Marktstand</CompanyName> <ContactName>Renate Messner</ContactName> </Customers> <Customers> <CustomerID>LETSS</CustomerID> <CompanyName>Let's Stop N Shop</CompanyName> <ContactName>Jaime Yorres</ContactName> </Customers> <Customers> <CustomerID>WHITC</CustomerID> <CompanyName>White Clover Markets</CompanyName> <ContactName>Karl Jablonski</ContactName> </Customers> <Customers> <CustomerID>WOLZA</CustomerID> <CompanyName>Wolski Zajazd</CompanyName> <ContactName>Zbyszek Piestrzeniewicz</ContactName> </Customers> <Customers> <CustomerID>BLAUS</CustomerID> <CompanyName>Blauer See Delikatessen</CompanyName> <ContactName>Hanna Moos</ContactName> </Customers> <Customers> <CustomerID>BLONP</CustomerID> <CompanyName>Blondesddsl père et fils</CompanyName> <ContactName>Frédérique Citeaux</ContactName> </Customers> <Customers> <CustomerID>BOLID</CustomerID> <CompanyName>Bólido Comidas preparadas</CompanyName> <ContactName>Martín Sommer</ContactName> </Customers> <Customers> <CustomerID>LEHMS</CustomerID> <CompanyName>Lehmanns Marktstand</CompanyName> <ContactName>Renate Messner</ContactName> </Customers> <Customers> <CustomerID>LETSS</CustomerID> <CompanyName>Let's Stop N Shop</CompanyName> <ContactName>Jaime Yorres</ContactName> </Customers> <Customers> <CustomerID>WHITC</CustomerID> <CompanyName>White Clover Markets</CompanyName> <ContactName>Karl Jablonski</ContactName> </Customers> <Customers> <CustomerID>WOLZA</CustomerID> <CompanyName>Wolski Zajazd</CompanyName> <ContactName>Zbyszek Piestrzeniewicz</ContactName> </Customers> <Customers> <CustomerID>BLAUS</CustomerID> <CompanyName>Blauer See Delikatessen</CompanyName> <ContactName>Hanna Moos</ContactName> </Customers> <Customers> <CustomerID>BLONP</CustomerID> <CompanyName>Blondesddsl père et fils</CompanyName> <ContactName>Frédérique Citeaux</ContactName> </Customers> <Customers> <CustomerID>BOLID</CustomerID> <CompanyName>Bólido Comidas preparadas</CompanyName> <ContactName>Martín Sommer</ContactName> </Customers> <Customers> <CustomerID>LEHMS</CustomerID> <CompanyName>Lehmanns Marktstand</CompanyName> <ContactName>Renate Messner</ContactName> </Customers> <Customers> <CustomerID>LETSS</CustomerID> <CompanyName>Let's Stop N Shop</CompanyName> <ContactName>Jaime Yorres</ContactName> </Customers> <Customers> <CustomerID>WHITC</CustomerID> <CompanyName>White Clover Markets</CompanyName> <ContactName>Karl Jablonski</ContactName> </Customers> <Customers> <CustomerID>WOLZA</CustomerID> <CompanyName>Wolski Zajazd</CompanyName> <ContactName>