?? frmbooktype.vb
字號:
Me.SqlInsertCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@類型名稱", System.Data.SqlDbType.VarChar, 100, "類型名稱"))
Me.SqlInsertCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@可借天數", System.Data.SqlDbType.Int, 4, "可借天數"))
'
'SqlSelectCommand1
'
Me.SqlSelectCommand1.CommandText = "SELECT 類型編號, 類型名稱, 可借天數 FROM 圖書類型"
Me.SqlSelectCommand1.Connection = Me.SqlConnection1
'
'SqlUpdateCommand1
'
Me.SqlUpdateCommand1.CommandText = "UPDATE 圖書類型 SET 類型編號 = @類型編號, 類型名稱 = @類型名稱, 可借天數 = @可借天數 WHERE (類型編號 = @Original_" & _
"類型編號) AND (可借天數 = @Original_可借天數 OR @Original_可借天數 IS NULL AND 可借天數 IS NULL) AND" & _
" (類型名稱 = @Original_類型名稱 OR @Original_類型名稱 IS NULL AND 類型名稱 IS NULL); SELECT 類型編號" & _
", 類型名稱, 可借天數 FROM 圖書類型 WHERE (類型編號 = @類型編號)"
Me.SqlUpdateCommand1.Connection = Me.SqlConnection1
Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@類型編號", System.Data.SqlDbType.VarChar, 50, "類型編號"))
Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@類型名稱", System.Data.SqlDbType.VarChar, 100, "類型名稱"))
Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@可借天數", System.Data.SqlDbType.Int, 4, "可借天數"))
Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Original_類型編號", System.Data.SqlDbType.VarChar, 50, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "類型編號", System.Data.DataRowVersion.Original, Nothing))
Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Original_可借天數", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "可借天數", System.Data.DataRowVersion.Original, Nothing))
Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Original_類型名稱", System.Data.SqlDbType.VarChar, 100, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "類型名稱", System.Data.DataRowVersion.Original, Nothing))
'
'frmBookType
'
Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
Me.ClientSize = New System.Drawing.Size(568, 245)
Me.Controls.Add(Me.GroupBox1)
Me.Name = "frmBookType"
Me.Controls.SetChildIndex(Me.GroupBox1, 0)
Me.GroupBox1.ResumeLayout(False)
CType(Me.DataSet11, System.ComponentModel.ISupportInitialize).EndInit()
Me.ResumeLayout(False)
End Sub#End Region Public Overrides Sub Prepare()
Me.Text = "圖書類別設置"
Me.Label1.Text = " 類型編號"
Me.Label2.Text = " 類型名稱"
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 類型名稱 like '"
strFilter += txbTwo.Text.Trim + "%'"
End If
Else
strFilter = "where 類型編號 like '"
strFilter += txbOne.Text.Trim + "%'"
If txbTwo.Text.Trim.Length <> 0 Then
strFilter += " and 類型名稱 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 圖書類型 " + strFilter
'根據查詢條件重新填充DataSet11
SqlDataAdapter1.Fill(DataSet11)
dtData = DataSet11.Tables("圖書類型")
bmData = Me.BindingContext(DataSet11, "圖書類型")
If bmData.Count <> 0 Then
bmData.Position = 0
End If
End Sub
Public Overrides Sub SetDataGrid()
LoadData()
'定義一個DataGrid表樣式
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
'設置數據源
dgdList.DataSource = dtData.DefaultView
bmData = Me.BindingContext(DataSet11, "圖書類型")
lblCount.Text = "記錄數:" + 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 = ""
End Sub
Public Overrides Sub SaveForAdd()
Dim dr As DataRow = DataSet11.Tables("圖書類型").NewRow()
Try
dr("類型編號") = txbCode.Text.Trim
dr("類型名稱") = txbName.Text.Trim
MessageBox.Show(txbDays.Text.Trim)
Dim iDays As Integer = CInt(txbDays.Text.Trim)
dr("可借天數") = iDays.ToString
Catch ex As Exception
MessageBox.Show("數據格式不正確!")
Exit Sub
End Try
Try
DataSet11.Tables("圖書類型").Rows.Add(dr)
If Me.DataSet11.HasChanges = True Then
SqlDataAdapter1.Update(DataSet11)
End If
Catch ex As Exception
MessageBox.Show("數據添加失敗!")
End Try
LoadData()
dgdList.DataSource = dtData.DefaultView
End Sub
Public Overrides Sub DeleteData()
Try
'刪除當前行的數據
DataSet11.Tables("圖書類型"). _
Rows(bmData.Position).Delete()
If Me.DataSet11.HasChanges = True Then
'更新DataSet11
SqlDataAdapter1.Update(DataSet11)
End If
Catch ex As Exception
MessageBox.Show("數據刪除失敗!")
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)
'判斷是否有更新的數據
If Me.DataSet11.HasChanges = True Then
SqlDataAdapter1.Update(DataSet11)
End If
Catch ex As Exception
MessageBox.Show("數據修改失敗!")
End Try
End Sub
End Class
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