frmmedicine.vb

一个医院管理系统

        Me.Label2.Text = "    编号"
        Me.Label3.Text = "    名称"
        Dim db As DataBase = New DataBase
        Dim dv As DataView = _
        db.RunSelectSQL("select 编号,名称 from 药品分类")
        Me.cbbKind.DataSource = dv
        Me.cbbKind.DisplayMember = "名称"
        Me.cbbKind.ValueMember = "编号"
        db.Dispose()
    End Sub

    Public Overrides Sub LoadData()
        Dim strFilter As String
        If txbOne.Text.Trim.Length = 0 Then
            If txbTwo.Text.Trim.Length = 0 Then
                If txbThree.Text.Trim.Length = 0 Then
                    strFilter = ""
                Else
                    strFilter = "where 名称 like '"
                    strFilter += txbThree.Text.Trim + "%'"
                End If
            Else
                strFilter = "where 编号 like '"
                strFilter += txbTwo.Text.Trim + "%'"
                If txbThree.Text.Trim.Length <> 0 Then
                    strFilter += " and 名称 like '"
                    strFilter += txbThree.Text.Trim + "%'"
                End If
            End If
        Else
            strFilter = "where 拼音码 like '"
            strFilter += txbOne.Text.Trim + "%'"
            If txbTwo.Text.Trim.Length <> 0 Then
                strFilter += " and 编号 like '"
                strFilter += txbTwo.Text.Trim + "%'"
                If txbThree.Text.Trim.Length <> 0 Then
                    strFilter += " and 名称 like '"
                    strFilter += txbThree.Text.Trim + "%'"
                End If
            Else
                If txbThree.Text.Trim.Length <> 0 Then
                    strFilter += " and 名称 like '"
                    strFilter += txbThree.Text.Trim + "%'"
                End If
            End If
        End If
        '清空DataSet11
        DataSet11.Clear()
        SqlConnection1.ConnectionString = DataBase.sConn
        Dim strSQL As String
        SqlDataAdapter1.SelectCommand.CommandText _
        = "select * from 药品资料 " + strFilter
        '根据查询条件重新填充DataSet11
        SqlDataAdapter1.Fill(DataSet11)
        dtData = DataSet11.Tables("药品资料")
        bmData = Me.BindingContext(DataSet11, "药品资料")
        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, "药品资料")
        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.txbDown.Text = "0"
        Me.txbInPrice.Text = "0"
        Me.txbIUnit.Text = ""
        Me.txbMoney.Text = ""
        Me.txbName.Text = ""
        Me.txbOutPrice.Text = "0"
        Me.txbPinY.Text = ""
        Me.txbScale.Text = "0"
        Me.txbTerm.Text = "0"
        Me.txbTradePrice.Text = "0"
        Me.txbType.Text = ""
        Me.txbUp.Text = "0"
        Me.txbWUnit.Text = ""
        Me.cbbKind.Text = ""
    End Sub


    Public Overrides Sub SaveForAdd()
        Dim dr As DataRow = DataSet11.Tables("药品资料").NewRow()
        Try
            dr("编号") = Me.txbCode.Text.Trim
            dr("名称") = Me.txbName.Text.Trim
            dr("规格") = Me.txbType.Text.Trim
            dr("整量单位") = Me.txbWUnit.Text.Trim
            dr("散量单位") = Me.txbIUnit.Text.Trim
            dr("入库单价") = Me.txbInPrice.Text.Trim
            dr("出库单价") = Me.txbOutPrice.Text.Trim
            dr("批发价") = Me.txbTradePrice.Text.Trim
            dr("整散比") = Me.txbScale.Text.Trim
            dr("分类") = Me.cbbKind.Text.Trim
            dr("费用归类") = Me.txbMoney.Text.Trim
            dr("拼音码") = Me.txbPinY.Text.Trim
            dr("效期") = Me.txbTerm.Text.Trim
            dr("上限") = Me.txbUp.Text.Trim
            dr("下限") = Me.txbDown.Text.Trim
        Catch ex As Exception
            MessageBox.Show("数据格式不正确！")
            Exit Sub
        End Try
        Try
            DataSet11.Tables("药品资料").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("药品资料"). _
            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