简述DbDataAdapter.Update 方法(续)

新客网 XKER.COM 2004-05-17 来源： 收藏本文

附 DbDataAdapter.Update方法的所有重载版本

n Overloads Public Function Update(ByVal dataRows() As DataRow) As Integer

n Overrides Overloads Public Function Update(ByVal dataSet As DataSet) As Integer Implements IDataAdapter.Update

n Overloads Public Function Update(ByVal dataTable As DataTable) As Integer

n Overloads Protected Overridable Function Update(ByVal dataRows() As DataRow,ByVal tableMapping As DataTableMapping) As Integer

n Overloads Public Function Update(ByVal dataSet As DataSet,ByVal srcTable As String) As Integer



示例

Public Function CreateCmdsAndUpdate(myDataSet As DataSet, myConnection As String, mySelectQuery As String, myTableName As String) As DataSet

Dim myConn As New OleDbConnection(myConnection)

Dim myDataAdapter As New OleDbDataAdapter()

myDataAdapter.SelectCommand = New OleDbCommand(mySelectQuery, myConn)

Dim custCB As OleDbCommandBuilder = New OleDbCommandBuilder(MyDataAdapter)



myConn.Open()

Dim custDS As DataSet = New DataSet

myDataAdapter.Fill(custDS)



' Code to modify data in DataSet here

myDataAdapter.Update(custDS)



' Code to modify data in DataSet here

myDataAdapter.Update(custDS, myTableName)



' Insert new records from DataSet

Dim myDataRowArray() As DataRow = custDS.Tables(0).Select(Nothing, Nothing, DataViewRowState.Added)

myDataAdapter.Update(myDataRowArray)



Dim custDT As DataTable = New DataTable

myDataAdapter.Fill(custDT)

' Code to modify data in DataTable here

myDataAdapter.Update(custDT)



myConn.Close()

Return custDS

End Function 'SelectOleDbSrvRows



附 DbDataAdapter. Fill方法的所有重载版本

n Overloads Public Function Fill(ByVal dataTable As DataTable, ByVal ADODBRecordSet As Object) As Integer

n Overloads Public Function Fill(ByVal dataSet As DataSet,ByVal ADODBRecordSet As Object,ByVal srcTable As String) As Integer

n Overrides Overloads Public Function Fill(ByVal dataSet As DataSet) As Integer Implements IDataAdapter.Fill

n Overloads Public Function Fill(ByVal dataTable As DataTable) As Integer

n Overloads Public Function Fill(ByVal dataSet As DataSet,ByVal srcTable As String) As Integer

n Overloads Protected Overridable Function Fill(ByVal dataTable As DataTable,ByVal dataReader As IDataReader) As Integer

n Overloads Protected Overridable Function Fill(ByVal dataTable As DataTable,ByVal command As IDbCommand,ByVal behavior As CommandBehavior ) As Integer

n Overloads Public Function Fill(ByVal dataSet As DataSet,ByVal startRecord As Integer,ByVal maxRecords As Integer,ByVal srcTable As String) As Integer

n Overloads Protected Overridable Function Fill(ByVal dataSet As DataSet, ByVal srcTable As String,ByVal dataReader As IDataReader,ByVal startRecord As Integer,ByVal maxRecords As Integer) As Integer

n Overloads Protected Overridable Function Fill(ByVal dataSet As DataSet, ByVal startRecord As Integer,ByVal maxRecords As Integer,ByVal srcTable As String,ByVal command As IDbCommand,ByVal behavior As CommandBehavior) As Integer

• ·身份证函数 查看身份证地区信息
• ·VS2008 第一次安装心得及使用
• ·ASP.NET 2.0跨网页提交的三法
• ·编程实例 WebGroupBox(Aspx控件)
• ·asp.net mvc脚手架代码生成工具
• ·用独立的DLL来存储图片(资源文件)
• ·ASP.NET中多国语言的实现方法
• ·实例 .net生成静态页方法总结
• ·ASP.NET控件学习笔记之ViewState
• ·用递归在TreeView价节点
• ·经验总结 关于.NET 中的Event机制
• ·.NET应用程序开发标准化(z)
• ·在DataTable中查询应该注意的问题
• ·LINQ 中调用存储过程自动绑定列名
• ·如何用.NET技术在线生成网站LOGO
• ·对于访问IIS元数据库失败的解决