在动态生成的html表中处理Linkbutton事件 [英] Handling Linkbutton event in dynamically generated html table

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问题描述

亲爱的,



查找下面的代码



  Dim  hTable 作为  HtmlTable()


私人 Sub makeHTML( ByVal pDataSet As DataSet)

Dim lRowCount 作为 整数 = 0
Dim lColCount As 整数 = 0
Dim hCell( 23 )< span class =code-keyword> As HtmlTableCell

Dim lHyperLink(pDataSet.Tables( 0 )。Rows.Count)作为 LinkBut​​ton

lRowCount< pDataSet.Tables( 0 )。Rows.Count

Dim hRow 作为 HtmlTableRow

lHyperLink(lRowCount)= LinkBut​​ton()
lHyperLink(lRowCount).Text = Hello
lHyperLink(lRowCount).ID = LBHLink + lRowCount.ToString

AddHandler lHyperLink(lRowCount)。点击, AddressOf lHyperLink_Click

hCell(lColCount).Controls.Add(lHyperLink(lRowCount))
lRowCount + = 1

结束 while
hTable.Rows.Add(hRow)
TblPanel.Controls.Add(hTable)

结束 Sub



受保护 Sub lHyperLink_Click( ByVal sender As 对象 ByVal e As System.EventArgs)

' 此处处理的事件操作

结束 Sub





事件处理程序不是被叫。



请帮忙。

解决方案





如果稍作修改,它现在应该如下所示。



 私人  Sub  makeHTML( ByVal  pDataSet  As  DataSet)

Dim lRowCount As 整数 = 0
Dim lColCount 作为 整数 = 0
Dim hCell As HtmlTableCell

Dim lHyperLink(pDataSet.Tables( 0 )。Rows.Count) 作为 LinkBut​​ton

lRowCount< pDataSet.Tables( 0 )。Rows.Count

Dim hRow As HtmlTableRow
hRow.Cells.Add(hCell)

lHyperLink (lRowCount)= LinkBut​​ton()
lHyperLink(lRowCount).Text = Hello
lHyperLink(lRowCount).ID = LBHLink + lRowCount.ToString

AddHandler lHyperLink(lRowCount)。点击, AddressOf lHyperLink_Click

hRow.Cells(lColCount).Controls.Add(lHyperLink(lRowCount))
lRowCount + = 1

hTable.Rows.Add(hRow)

结束 虽然

tPanel.Con trols.Add(hTable)

结束 Sub


Dear All,

Find my code below

Dim hTable As New HtmlTable()


Private Sub makeHTML(ByVal pDataSet As DataSet)

Dim lRowCount As Integer = 0
Dim lColCount As Integer = 0
Dim hCell(23) As HtmlTableCell

Dim lHyperLink(pDataSet.Tables(0).Rows.Count) As LinkButton

While lRowCount < pDataSet.Tables(0).Rows.Count 

Dim hRow As New HtmlTableRow

lHyperLink(lRowCount) = New LinkButton()
lHyperLink(lRowCount).Text = "Hello"
lHyperLink(lRowCount).ID = "LBHLink" + lRowCount.ToString

AddHandler lHyperLink(lRowCount).Click, AddressOf lHyperLink_Click

hCell(lColCount).Controls.Add(lHyperLink(lRowCount))
lRowCount += 1

End While
hTable.Rows.Add(hRow)
    TblPanel.Controls.Add(hTable)

  End Sub



 Protected Sub lHyperLink_Click(ByVal sender As Object, ByVal e As System.EventArgs)

' Handled event actions here

  End Sub



Event handler is not getting called.

Kindly help.

解决方案

Hi,

With little modification it should work now as below.

Private Sub makeHTML(ByVal pDataSet As DataSet)

Dim lRowCount As Integer = 0
Dim lColCount As Integer = 0
Dim hCell As New HtmlTableCell

Dim lHyperLink(pDataSet.Tables(0).Rows.Count) As LinkButton

While lRowCount < pDataSet.Tables(0).Rows.Count

    Dim hRow As New HtmlTableRow
    hRow.Cells.Add(hCell)

    lHyperLink(lRowCount) = New LinkButton()
    lHyperLink(lRowCount).Text = "Hello"
    lHyperLink(lRowCount).ID = "LBHLink" + lRowCount.ToString

    AddHandler lHyperLink(lRowCount).Click, AddressOf lHyperLink_Click

    hRow.Cells(lColCount).Controls.Add(lHyperLink(lRowCount))
    lRowCount += 1

    hTable.Rows.Add(hRow)

End While

tPanel.Controls.Add(hTable)

End Sub


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