How to display the next record in the PB data window

How to display the next record in the PB data window

In the PowerBuilder data window, there are the following ways to display the next record:

1 . Use the keyboard shortcut

• to move to the next record by pressing the down arrow key (↓).

2. Use the mouse to

• #click a column or cell in the data window to select the record.
• Hover over the record and right-click, then select Next Record.

3. Use DataSet object

<code class="powerbuilder">//获取当前记录索引
integer li_CurrentRowIndex = dw_data.GetRowIndex()

//移动到下一条记录
li_CurrentRowIndex++

//将数据窗口移至新记录
dw_data.SetRowIndex(li_CurrentRowIndex)</code>

4. Use retrieval command

<code class="powerbuilder">//检索下一条记录
dw_data.RetrieveNext()</code>

5. Using event handling

<code class="powerbuilder">//在数据窗口的RowFocusChanged事件中处理下一条记录
dw_data.RowFocusChanged :=
  Handle(hEvent)
  integer li_CurrentRowIndex
  li_CurrentRowIndex = dw_data.GetRowIndex()

  //如果是最后一条记录，则显示第一条记录
  if li_CurrentRowIndex = dw_data.RowCount()
    dw_data.SetRowIndex(1)
  else
    //移动到下一条记录
    li_CurrentRowIndex++
    dw_data.SetRowIndex(li_CurrentRowIndex)
  end if

  return 0</code>

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