Private Sub button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles button1.Click
If Page.IsValid Then
Label1.Text = ""
button1.Enabled = False '开始生成表格
Dim i As Integer
Dim j As Integer
Dim ta As Table
ta = New Table Dim newcell As TableCell
Dim newrow As TableRow
Dim con As TextBox Dim bs As String Dim numrows As Integer
Dim numcells As Integer
numrows = TextBox1.Text
numcells = TextBox2.Text
For i = 1 To numrows
newrow = New TableRow For j = 1 To numcells
con = New TextBox
con.ID = CStr(i) + CStr(j)
newcell = New TableCell
newcell.Controls.Add(con)
newrow.Cells.Add(newcell)
Next
Table4.Rows.Add(newrow)
Next Else
Label1.Visible = True Label1.Text = "请输入有效行数1-150,列数1-15"
Return
End If
End Sub生成表格后
再按一下页面上的另一个按钮
表格马上消失了
怎么办啊
If Page.IsValid Then
Label1.Text = ""
button1.Enabled = False '开始生成表格
Dim i As Integer
Dim j As Integer
Dim ta As Table
ta = New Table Dim newcell As TableCell
Dim newrow As TableRow
Dim con As TextBox Dim bs As String Dim numrows As Integer
Dim numcells As Integer
numrows = TextBox1.Text
numcells = TextBox2.Text
For i = 1 To numrows
newrow = New TableRow For j = 1 To numcells
con = New TextBox
con.ID = CStr(i) + CStr(j)
newcell = New TableCell
newcell.Controls.Add(con)
newrow.Cells.Add(newcell)
Next
Table4.Rows.Add(newrow)
Next Else
Label1.Visible = True Label1.Text = "请输入有效行数1-150,列数1-15"
Return
End If
End Sub生成表格后
再按一下页面上的另一个按钮
表格马上消失了
怎么办啊
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if(!postback)
{
.......
}