這個方法是什嗎意思??? 这是一个构造函数base(info, context)表示会调用基类的这个构造方法:) 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 那这个构造方法在這個類中是什嗎作用???還是沒有作用,可以去掉??public class UserData:DataSet{/// <summary>/// Constructor to support serialization./// <res>Constructor that supports serialization.</res> /// <param name="info">The SerializationInfo object to read from.</param>/// <param name="context">Information on who is calling this method.</param>/// </summary> public UserData(SerializationInfo info, StreamingContext context) : base(info, context) { } /// <summary> /// Constructor for DataSetFMS. /// <res>Initialize a DataSetFMS instance by building the table schema.</res> /// </summary> public UserData() { //Add tables to dataset BuildTableUsers(); } private void BuildTableUsers() { DataTable tblUsers = new DataTable(FMSCommon.TBL_USERS); DataColumnCollection columnsOfTblUsers = tblUsers.Columns; DataColumn columnTemp; columnTemp = columnsOfTblUsers.Add(FMSCommon.USR_USERENAME,typeof(System.String)); columnTemp.AllowDBNull = false; columnsOfTblUsers.Add(FMSCommon.USR_USERCNAME,typeof(System.String)); columnsOfTblUsers.Add(FMSCommon.USR_PASSWORD,typeof(System.String)); this.Tables.Add(tblUsers); }} 最好是不要去掉这个构造器是在把DataTable序列化为XML时使用的,是由CLR负责调用的。当你的DataTable会在不同进程或线程之间传递,或是利用了远程处理,或是Web Service,都会用到这个构造器 datagridview怎么根据IE自动调节大小? Microsoft .NEt Framework 2.0 如何使用? 这个符号不懂什么意思啊 谁能给解释下 在部署安装程序时如何实现安装程序检测MDAC的版本!!! 正则问题_如何分别获取以下的link和中文标题 关于操纵access..... 招聘.NET高级程序员 如何冻结DataGrid的指针? 日期时间 该由哪个变量类型保存? 麻烦哪位帮我抬块砖头嘛,我真的想跳进这门槛! 怎么加一条语句退出按钮事件执行过程,使语句不向下执行,该语句怎么写?答对立即给分!
{
/// <summary>
/// Constructor to support serialization.
/// <res>Constructor that supports serialization.</res>
/// <param name="info">The SerializationInfo object to read from.</param>
/// <param name="context">Information on who is calling this method.</param>
/// </summary>
public UserData(SerializationInfo info, StreamingContext context) : base(info, context)
{
}
/// <summary>
/// Constructor for DataSetFMS.
/// <res>Initialize a DataSetFMS instance by building the table schema.</res>
/// </summary>
public UserData()
{
//Add tables to dataset
BuildTableUsers();
} private void BuildTableUsers()
{
DataTable tblUsers = new DataTable(FMSCommon.TBL_USERS);
DataColumnCollection columnsOfTblUsers = tblUsers.Columns;
DataColumn columnTemp;
columnTemp = columnsOfTblUsers.Add(FMSCommon.USR_USERENAME,typeof(System.String));
columnTemp.AllowDBNull = false;
columnsOfTblUsers.Add(FMSCommon.USR_USERCNAME,typeof(System.String));
columnsOfTblUsers.Add(FMSCommon.USR_PASSWORD,typeof(System.String));
this.Tables.Add(tblUsers);
}}