asp.net中的运行时间表 [英] run time table in asp.net
本文介绍了asp.net中的运行时间表的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
尊敬的先生/女士
我在vb.net中创建了一个运行时间表.我使用了一些控件，并通过数据表的对象将其从数据库绑定.但是当我单击button(Book)时出现了问题，我想选择控件的所有值或id都像复选框，然后选择dropdownlist的itme，但是我无法罚款通过OnclientClick事件获得全部值.
我的代码和生成的表已给定，请看一眼，如果有任何帮助，请帮帮我.
谢谢
Dear sir/Mam
i hv created a run time table in vb.net. i used some controle and bind it from database via a object of data table.but there is a problem when i click on button(Book) i want all values or id of select controle like checkbox and select itme of dropdownlist but i m unable to fine the value of all through OnclientClick event.
my code and generated table is as given plz take a glance and if there is any ans plz help me.
thanks
Code is here---------------------------------
Imports System.Data.SqlClient
Imports System.Data
Imports System.Web.UI.WebControls
Partial Class RunTimeTable
Inherits System.Web.UI.Page
Dim ConClass As New ConnectionClass
Dim dt As New DataTable
Dim td As New TableCell
Dim td1 As New TableCell
Dim td2 As New TableCell
Dim td3 As New TableCell
Dim td4 As New TableCell
Dim td5 As New TableCell
Dim td6 As New TableCell
Dim td7 As New TableCell
Dim tr As New TableRow
Dim btn As New Button
Dim chk As New CheckBox
Dim rdo As New RadioButton
Dim Cmb As New DropDownList
Dim i As Integer
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
FillTable()
End Sub
Public Sub Concheck()
If Me.ConClass.Con.State = Data.ConnectionState.Open Then Me.ConClass.Con.Close()
Me.ConClass.Conn()
Me.ConClass.Con.Open()
End Sub
Public Sub FillTable()
Me.Concheck()
Me.ConClass.cmd.CommandText = "SELECT RoomType, Rent, Rent_SingleOccupy, NoOfBed FROM RoomType WHERE NoOfBed = '02'"
Me.ConClass.ad.Fill(dt)
If dt.Rows.Count > 0 Then
'---------------------Code for header Line---------------------------
td1 = New TableCell
td1.Text = "Room type"
td2 = New TableCell
td2.Text = "Complementry Facility"
td3 = New TableCell
td3.ColumnSpan = 4
td3.Text = "Rent"
td4 = New TableCell
td4.Text = "Select"
tr = New TableRow
tr.BackColor = Drawing.Color.SteelBlue
tr.ForeColor = Drawing.Color.White
tr.Controls.Add(td1)
tr.Controls.Add(td2)
tr.Controls.Add(td3)
tr.Controls.Add(td4)
Me.MyTable.Controls.Add(tr)
'---------------------End Code for header Line---------------------------
'--------------------Code for Second Header Line------------------------
td1 = New TableCell
td2 = New TableCell
td3 = New TableCell
td3.Text = "Single Ocp."
td4 = New TableCell
td4.Text = "Select"
td5 = New TableCell
td5.Text = "Double Ocp."
td6 = New TableCell
td6.Text = "Select"
td7 = New TableCell
tr = New TableRow
tr.BackColor = Drawing.Color.SkyBlue
tr.ForeColor = Drawing.Color.Red
tr.Controls.Add(td1)
tr.Controls.Add(td2)
tr.Controls.Add(td3)
tr.Controls.Add(td4)
tr.Controls.Add(td5)
tr.Controls.Add(td6)
tr.Controls.Add(td7)
Me.MyTable.Controls.Add(tr)
'--------------------End Code for Second Header Line------------------------
'-------------------------Code for Data Row--------------------------------
While i < dt.Rows.Count
td1 = New TableCell
td1.Text = dt.Rows(i).Item(0).ToString
td2 = New TableCell
td2.Text = "---"
td3 = New TableCell
td3.Text = dt.Rows(i).Item(1).ToString
td4 = New TableCell
chk = New CheckBox
td4.Controls.Add(chk)
td5 = New TableCell
td5.Text = dt.Rows(i).Item(2).ToString
td6 = New TableCell
chk = New CheckBox
td6.Controls.Add(chk)
td7 = New TableCell
Cmb = New DropDownList
Cmb.ID = "DropDown" & dt.Rows(i).Item(2).ToString
Cmb.Items.Add("<-Select->")
Cmb.Items.Add("1")
Cmb.Items.Add("2")
Cmb.Items.Add("3")
Cmb.Items.Add("4")
td7.Controls.Add(Cmb)
tr = New TableRow
tr.Controls.Add(td1)
tr.Controls.Add(td2)
tr.Controls.Add(td3)
tr.Controls.Add(td4)
tr.Controls.Add(td5)
tr.Controls.Add(td6)
tr.Controls.Add(td7)
Me.MyTable.Controls.Add(tr)
i = i + 1
End While
'-------------------------End Code for Data Row--------------------------------
'-------------------------Code for Book button Line------------------
td1 = New TableCell
td2 = New TableCell
td3 = New TableCell
td4 = New TableCell
td5 = New TableCell
td6 = New TableCell
td7 = New TableCell
btn = New Button
btn.Text = "Book Now"
btn.BackColor = Drawing.Color.AliceBlue
btn.ForeColor = Drawing.Color.Blue
btn.ToolTip = "Hello arti"
Dim msg As String '= Me.ClientScript.RegisterClientScriptBlock(Me.GetType, "OnClick", "<script language=javascript>alert('this is me')</script>")
btn.OnClientClick = "GetDropDownValue('<%= dropDown.ClientID %>')"
td7.Controls.Add(btn)
tr = New TableRow
tr.BackColor = Drawing.Color.SkyBlue
tr.ForeColor = Drawing.Color.Red
tr.Controls.Add(td1)
tr.Controls.Add(td2)
tr.Controls.Add(td3)
tr.Controls.Add(td4)
tr.Controls.Add(td5)
tr.Controls.Add(td6)
tr.Controls.Add(td7)
Me.MyTable.Controls.Add(tr)
'-------------------------Code for Book button Line------------------
End If '------------------For dt.rows.count
End Sub
End Class
推荐答案
您在每次回发中都调用填充表.因此，您将失去viewstate，这意味着您的选择将被重置.将FillTable调用放在！IsPostback块中.
You call fill table on every postback. You therefore lose viewstate, which means your selections are reset. Put the FillTable call in a !IsPostback block.
这篇关于asp.net中的运行时间表的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
查看全文
