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    webServiceµÄÔ­Àí¼°¸ÅÄî¿É²Î¿¼http://blog.csdn.net/mocklystone/archive/2010/02/24/5322436.aspx¡£
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   [WebMethod]
public DataTable GetUserList()
{
DataSet ds = new DataSet();
DataTable dt = new DataTable("UserList");
dt.Columns.Add("UserName");
dt.Columns.Add("UserPwd");
dt.Rows.Add(new object[] { "mocklystone", "123" });
ds.Tables.Add(dt);
return ds.Tables["UserList"];
}

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[WebMethod]
public List<User> GetAllUserList()
{
List<User> list = new List<User>();
User user = new User();
user.UserName = "mocklystone";
user.UserPwd = "123";
list.Add(user);
return li


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