您应该在创建的表中随意添加列的类型:
http://msdn.microsoft.com/en-us/library/hfx3s9wd％28v = vs.80％29.aspx [ ^ ]

You should probarbly add the type of column in the table you are creating:
http://msdn.microsoft.com/en-us/library/hfx3s9wd%28v=vs.80%29.aspx[^]