frmroomtype.vb

用.net写的,不知道怎么样,各位看看再说吧.

        'txbDays
        '
        Me.txbDays.DataBindings.Add(New System.Windows.Forms.Binding("Text", Me.DataSet11, "客房类型.可超预定数"))
        Me.txbDays.Location = New System.Drawing.Point(224, 48)
        Me.txbDays.Name = "txbDays"
        Me.txbDays.Size = New System.Drawing.Size(73, 21)
        Me.txbDays.TabIndex = 6
        Me.txbDays.Text = ""
        '
        'Label6
        '
        Me.Label6.Location = New System.Drawing.Point(320, 20)
        Me.Label6.Name = "Label6"
        Me.Label6.Size = New System.Drawing.Size(32, 16)
        Me.Label6.TabIndex = 5
        Me.Label6.Text = "价格"
        '
        'txbPrice
        '
        Me.txbPrice.DataBindings.Add(New System.Windows.Forms.Binding("Text", Me.DataSet11, "客房类型.价格"))
        Me.txbPrice.Location = New System.Drawing.Point(352, 13)
        Me.txbPrice.Name = "txbPrice"
        Me.txbPrice.Size = New System.Drawing.Size(73, 21)
        Me.txbPrice.TabIndex = 4
        Me.txbPrice.Text = ""
        '
        'Label5
        '
        Me.Label5.Location = New System.Drawing.Point(168, 20)
        Me.Label5.Name = "Label5"
        Me.Label5.Size = New System.Drawing.Size(56, 16)
        Me.Label5.TabIndex = 3
        Me.Label5.Text = "类型名称"
        '
        'txbName
        '
        Me.txbName.DataBindings.Add(New System.Windows.Forms.Binding("Text", Me.DataSet11, "客房类型.类型名称"))
        Me.txbName.Location = New System.Drawing.Point(224, 13)
        Me.txbName.Name = "txbName"
        Me.txbName.Size = New System.Drawing.Size(73, 21)
        Me.txbName.TabIndex = 2
        Me.txbName.Text = ""
        '
        'Label4
        '
        Me.Label4.Location = New System.Drawing.Point(16, 20)
        Me.Label4.Name = "Label4"
        Me.Label4.Size = New System.Drawing.Size(56, 16)
        Me.Label4.TabIndex = 1
        Me.Label4.Text = "类型编号"
        '
        'txbCode
        '
        Me.txbCode.DataBindings.Add(New System.Windows.Forms.Binding("Text", Me.DataSet11, "客房类型.类型编号"))
        Me.txbCode.Location = New System.Drawing.Point(71, 13)
        Me.txbCode.Name = "txbCode"
        Me.txbCode.Size = New System.Drawing.Size(73, 21)
        Me.txbCode.TabIndex = 0
        Me.txbCode.Text = ""
        '
        'frmRoomType
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(608, 261)
        Me.Controls.Add(Me.GroupBox1)
        Me.Name = "frmRoomType"
        Me.Controls.SetChildIndex(Me.GroupBox1, 0)
        CType(Me.DataSet11, System.ComponentModel.ISupportInitialize).EndInit()
        Me.GroupBox1.ResumeLayout(False)
        Me.ResumeLayout(False)

    End Sub

#End Region
    Public Overrides Sub Prepare()
        Me.Text = "客房类型设置"
        Me.Label1.Text = "类型名称"
        Me.Label2.Text = "类型编号"
        Me.Label3.Visible = False
        Me.txbThree.Visible = False
    End Sub
    Public Overrides Sub LoadData()
        Dim strFilter As String
        If txbOne.Text.Trim.Length = 0 Then
            If txbTwo.Text.Trim.Length <> 0 Then
                strFilter = "where 类型编号 like '"
                strFilter += txbTwo.Text.Trim + "%'"

            End If
        Else
            strFilter = "where 类型名称 like '"
            strFilter += txbOne.Text.Trim + "%'"
            If txbTwo.Text.Trim.Length <> 0 Then
                strFilter += " and 类型编号 like '"
                strFilter += txbTwo.Text.Trim + "%'"
            End If
        End If
        '清空DataSet11
        DataSet11.Clear()
        SqlConnection1.ConnectionString = DataBase.sConn
        Dim strSQL As String
        SqlDataAdapter1.SelectCommand.CommandText _
        = "select * from 客房类型 " + strFilter
        '根据查询条件重新填充DataSet11
        SqlDataAdapter1.Fill(DataSet11)
        dtData = DataSet11.Tables("客房类型")
        bmData = Me.BindingContext(DataSet11, "客房类型")
        If bmData.Count <> 0 Then
            bmData.Position = 0
        End If
    End Sub
    Public Overrides Sub SetDataGrid()
        LoadData()
        '定义一个DataGrid表样式
        Dim ts As New DataGridTableStyle
        Dim aColumnTextColumn As DataGridTextBoxColumn
        Dim numCols As Integer = dtData.Columns.Count
        Dim i As Integer
        For i = 0 To numCols - 1
            aColumnTextColumn = New DataGridTextBoxColumn
            aColumnTextColumn.MappingName = _
            dtData.Columns(i).ColumnName
            aColumnTextColumn.HeaderText = _
            dtData.Columns(i).ColumnName
            aColumnTextColumn.NullText = ""
            aColumnTextColumn.ReadOnly = True
            ts.GridColumnStyles.Add(aColumnTextColumn)
        Next
        ts.AlternatingBackColor = Color.LightGray
        ts.AllowSorting = False
        ts.MappingName = dtData.TableName
        dgdList.TableStyles.Clear()
        dgdList.TableStyles.Add(ts)
        Dim dv As DataView = dtData.DefaultView
        dv.AllowNew = False
        dv.AllowDelete = False
        'dv.AllowEdit = False
        '设置数据源
        dgdList.DataSource = dtData.DefaultView
        bmData = Me.BindingContext(DataSet11, "客房类型")
        lblCount.Text = "记录数:" + dtData.Rows.Count.ToString()
    End Sub
    Public Overrides Sub SetTextBoxState(ByVal bState As Boolean)
        Me.GroupBox1.Enabled = Not bState
    End Sub
    Public Overrides Sub Clear()
        Me.txbCode.Text = ""
        Me.txbDays.Text = ""
        Me.txbName.Text = ""
        Me.txbPinPrice.Text = ""
        Me.txbPrice.Text = ""
        Me.ckbPin.Checked = True
    End Sub
    Public Overrides Sub SaveForAdd()
        Dim dr As DataRow = DataSet11.Tables("图书类型").NewRow()
        Try
            dr("类型编号") = txbCode.Text.Trim
            dr("类型名称") = txbName.Text.Trim
            dr("可超预定数") = txbDays.Text.Trim
            dr("拼房价格") = txbPinPrice.Text.Trim
            dr("价格") = txbPrice.Text.Trim
            dr("是否可拼房") = ckbPin.Checked
        Catch ex As Exception
            MessageBox.Show("数据格式不正确！")
            Exit Sub
        End Try
        Try
            DataSet11.Tables("图书类型").Rows.Add(dr)
            If Me.DataSet11.HasChanges = True Then
                SqlDataAdapter1.Update(DataSet11)
            End If
        Catch ex As Exception
            MessageBox.Show("数据添加失败!")
        End Try
        LoadData()
        dgdList.DataSource = dtData.DefaultView
    End Sub
    Public Overrides Sub DeleteData()
        Try
            '删除当前行的数据
            DataSet11.Tables("客房类型"). _
            Rows(bmData.Position).Delete()
            If Me.DataSet11.HasChanges = True Then
                '更新DataSet11
                SqlDataAdapter1.Update(DataSet11)
            End If
        Catch ex As Exception
            MessageBox.Show("数据删除失败!")
        End Try
    End Sub
    Public Overrides Sub SaveForUpdate()
        Try
            Dim row As Integer
            row = dgdList.CurrentCell.RowNumber
            dgdList.CurrentCell = _
            New DataGridCell((row + 1) Mod bmData.Count, 0)
            '判断是否有更新的数据
            If Me.DataSet11.HasChanges = True Then
                SqlDataAdapter1.Update(DataSet11)
            End If
        Catch ex As Exception
            MessageBox.Show("数据修改失败!")
        End Try
    End Sub
End Class