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Grid Like excel

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Grid

This is a migrated thread and some comments may be shown as answers.

Mike_T asked on 22 Apr 2011, 01:00 PM

Hi guys,

I have a page that displays a tree on the left and a grid on the right, the user is able to drag items from the tree and drop them into the grid.

I'm trying to implement the excel like grid functionality but it's not working
Can you please give any recommendation?

<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="Orders.aspx.vb" MasterPageFile="~/MasterPages/Backend.Master"

Inherits="RestWeb.Orders" %>

<%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="Telerik" %>

<asp:Content ContentPlaceHolderID="ContentPlaceHolder1" ID="content1" runat="server">

<Telerik:RadScriptBlock runat="Server" ID="RadScriptBlock1">

<script type="text/javascript">

function OnClientClose_EDITOR(radWindow) {

refreshGrid(args);

}

function refreshGrid(arg) {

if (!arg) {

$find("<%= RadAjaxManager1.ClientID %>").ajaxRequest("Rebind");

}

else {

$find("<%= RadAjaxManager1.ClientID %>").ajaxRequest("RebindAndNavigate");

}

/* <![CDATA[ */

var gridId = "<%= orders.ClientID %>";

//Handles the OnNodeDropping event of RadTreeView.

function onNodeDropping(sender, args) {

var dest = args.get_destNode();

if (dest) {

//Handle dropping on a Node if required.

}

else {

dropOnHtmlElement(args);

}

//Handles the case when a Node is dropped onto an HTML element.

function dropOnHtmlElement(args) {

if (droppedOnGrid(args))

return;

}

//Checks whether a Node is being dropped onto the RadGrid with ID: 'gridId'.

//If not, the OnClientDropping event is canceled.

function droppedOnGrid(args) {

var target = args.get_htmlElement();

while (target) {

if (target.id == gridId) {

args.set_htmlElement(target);

return;

}

target = target.parentNode;

}

args.set_cancel(true);

}

/* ]]> */

</script>

</Telerik:RadScriptBlock>

<Telerik:RadScriptBlock runat="server" ID="RadScriptBlock2">

<script type="text/javascript">

/* <![CDATA[ */

var currentDraggedRow = null;

var dataSetIndex = null;

var visualClue = null;

var currentNode = null;

function onNodeMouseOver(sender, args) {

//gets the node upon mousing over the node

currentNode = args.get_node();

}

function onNodeMouseOut(sender, args) {

//resets the currentNode value upon mousing out

currentNode = null;

}

function onRowMouseOver(sender, args) {

//gets the grid to be draggaed from

grid = sender;

}

function onMouseDown(e, element, dataIndex) {

//Store the currently dragged row (TR)

currentDraggedRow = element;

//Store the data key value of the dragged data grid row

dataSetIndex = dataIndex;

//Attach events to support rendering the visual clue

$addHandler(document, "mousemove", mouseMove);

$addHandler(document, "mouseup", mouseUp);

//Prevent selection of text while dragging

//Internet Explorer

$addHandler(document, "selectstart", preventSelect);

//Other browsers

if (e.preventDefault)

e.preventDefault();

}

function preventSelect(e) {

e.preventDefault();

}

function createVisualClue() {

var div = document.createElement("div");

div.style.position = "absolute";

div.className = $get("<%= orders.ClientID %>").className;

div.innerHTML = String.format("<table class='{0}'><tr>{1}</tr></table>",

$get("<%= orders.MasterTableView.ClientID %>").className,

currentDraggedRow.innerHTML);

return div;

}

function mouseMove(e) {

if (!visualClue) {

visualClue = createVisualClue();

document.body.insertBefore(visualClue, document.body.firstChild);

}

visualClue.style.left = e.clientX + 10 + "px";

visualClue.style.top = e.clientY + 10 + "px";

}

function mouseUp(e) {

if (visualClue) {

//Remove the visual clue

visualClue.parentNode.removeChild(visualClue);

visualClue = null;

}

//Detach the events supporting the visual clue

$removeHandler(document, "mousemove", mouseMove);

$removeHandler(document, "mouseup", mouseUp);

//Detach the event preventing selection in Internet Explorer

$removeHandler(document, "selectstart", preventSelect);

if (currentNode && currentDraggedRow) {

//Store the value of the node on which the mouse is over

$get("<%=TreeNodeText.ClientID%>").value = currentNode.get_text();

//Store the data key value of the dragged data grid row

$get("<%= DataSetIndex.ClientID %>").value = dataSetIndex;

//Initiate AJAX request to update the page

var ajaxManager = $find("<%= RadAjaxManager1.ClientID %>");

ajaxManager.ajaxRequest();

}

/* ]]> */

</script>

</Telerik:RadScriptBlock>

<asp:HiddenField runat="server" ID="DataSetIndex" />

<asp:HiddenField runat="server" ID="TreeNodeText" />

<asp:HiddenField ID="HiddenTableID" runat="server" />

<asp:HiddenField ID="HiddenBarID" runat="server" />

<Telerik:RadCodeBlock ID="RadCodeBlock2" runat="server">

<script type="text/javascript">

function CloseWnd() {

GetRadWindow().close();

}

function GetRadWindow() {

var oWindow = null;

if (window.radWindow) oWindow = window.radWindow; //Will work in Moz in all cases, including clasic dialog

else if (window.frameElement.radWindow) oWindow = window.frameElement.radWindow; //IE (and Moz az well)

return oWindow;

}

</script>

</Telerik:RadCodeBlock>

<Telerik:RadAjaxManager runat="server" ID="RadAjaxManager1" DefaultLoadingPanelID="RadAjaxLoadingPanel2">

<AjaxSettings>

<Telerik:AjaxSetting AjaxControlID="tblGrid">

<UpdatedControls>

<Telerik:AjaxUpdatedControl ControlID="orders" LoadingPanelID="RadAjaxLoadingPanel2" />

</UpdatedControls>

</Telerik:AjaxSetting>

</AjaxSettings>

<AjaxSettings>

<Telerik:AjaxSetting AjaxControlID="RadAjaxManager1">

<UpdatedControls>

<Telerik:AjaxUpdatedControl ControlID="orders" LoadingPanelID="RadAjaxLoadingPanel2" />

</UpdatedControls>

</Telerik:AjaxSetting>

</AjaxSettings>

</Telerik:RadAjaxManager>

<Telerik:RadAjaxLoadingPanel runat="server" ID="RadAjaxLoadingPanel2" />

<div id="tbldiv" runat="server" style="height: 100%">

<Telerik:RadWindowManager ID="RadWindowManager2" runat="server" Visible="true" Behavior="Maximize,Close"

Modal="true">

<Windows>

<Telerik:RadWindow Width="400" Height="250" VisibleStatusbar="false" ID="RadWindow1"

runat="server" VisibleOnPageLoad="false" />

</Windows>

</Telerik:RadWindowManager>

<table width="100%" border="0" cellspacing="0" cellpadding="0">

<tr>

<td height="20" valign="top">

<table width="100%" border="0" cellspacing="0" cellpadding="0">

<tr>

<td width="20" valign="top">

<img name="n2_1_1" src="../images/internalpanel/2_1_1.jpg" width="20" height="20"

border="0" id="n2_1_1" alt="" />

</td>

<td valign="top" background="../images/internalpanel/2_1_bgd.jpg">

<div id="headtile" class="title">

<asp:Label ID="Headtxt" runat="server" Text=""></asp:Label></div>

</td>

<td width="20" valign="top">

<img name="n2_1_2" src="../images/internalpanel/2_1_2.jpg" width="20" height="20"

border="0" id="n2_1_2" alt="" />

</td>

</tr>

</table>

</td>

</tr>

<tr>

<td valign="top">

<table border="0" cellpadding="0" cellspacing="0" class="tablePreview">

<tr>

<td width="20" valign="top" background="../images/internalpanel/2_left_bgd.jpg">

<img name="n2_left_bgd" src="../images/internalpanel/2_left_bgd.jpg" width="20" height="12"

border="0" id="n2_left_bgd" alt="" />

</td>

<td height="50" valign="top">

<table border="0" cellpadding="3" cellspacing="0" style="width: 100%">

<tr>

<td class="title">

Menu Items

<Telerik:RadTreeView ID="RadTreeView1" runat="server" Height="300" Width="250" OnClientMouseOver="onNodeMouseOver"

OnClientMouseOut="onNodeMouseOut" OnClientNodeDropping="onNodeDropping" EnableDragAndDrop="True"

LoadingStatusPosition="BeforeNodeText" OnNodeDrop="RadTreeView1_NodeDrop">

</Telerik:RadTreeView>

</td>

<td class="title">

Orders

<div id="tblGrid" runat="server">

<Telerik:RadGrid ID="orders" AllowSorting="true" runat="server" Width="350px" OnNeedDataSource="orders_NeedDataSource"

OnItemCreated="orders_ItemCreated" Height="320px" AutoGenerateColumns="False" AllowMultiRowEdit="True">

<MasterTableView CommandItemDisplay="None" Width="100%" TableLayout="Fixed" EditMode="InPlace">

<Columns>

</Columns>

</MasterTableView>

<ClientSettings>

<ClientEvents OnRowMouseOver="onRowMouseOver" />

<Selecting EnableDragToSelectRows="false" />

<Scrolling AllowScroll="true" UseStaticHeaders="true" ScrollHeight="320px" />

</ClientSettings>

<ClientSettings EnableRowHoverStyle="true">

<Selecting AllowRowSelect="true" />

</ClientSettings>

<PagerStyle AlwaysVisible="true" Mode="NextPrevAndNumeric"></PagerStyle>

</Telerik:RadGrid>

</div>

</td>

<td valign="top">

<table>

<tr>

<td class="title">

Notes<br />

<Telerik:RadTextBox ID="txtNotes" MaxLength="250" Rows="10" Columns="30" TextMode="MultiLine"

runat="server">

</Telerik:RadTextBox>

<br />

</td>

</tr>

<tr>

<td class="title" align="right">

Discount (in %):

<Telerik:RadNumericTextBox ID="txtDiscount" Width="100" runat="server" /><br />

<asp:Button ID="btnDC" CommandName="Submit" runat="server" Text="Discount" />

<br />

</td>

</tr>

<tr>

<td class="title" align="right">

Original Amount:

<Telerik:RadNumericTextBox ID="txtortotal" ReadOnly="true" Width="100" runat="server" />

<br />

Total Amount:

<Telerik:RadNumericTextBox ID="txtTotal" ReadOnly="true" Width="100" runat="server" />

</td>

</tr>

</table>

</td>

</tr>

<tr>

<td>

</td>

<td>

</td>

</tr>

</table>

</td>

<td width="20" valign="top" background="../images/internalpanel/2_right_bgd.jpg">

<img name="n2_right_bgd" src="../images/internalpanel/2_right_bgd.jpg" width="20"

height="12" border="0" id="n2_right_bgd" alt="" />

</td>

</tr>

</table>

</td>

</tr>

<tr>

<td height="20" valign="top">

<table width="100%" border="0" cellspacing="0" cellpadding="0">

<tr>

<td width="20" valign="top">

<img name="n2_2_1" src="../images/internalpanel/2_2_1.jpg" width="20" height="20"

border="0" id="n2_2_1" alt="" />

</td>

<td valign="top" background="../images/internalpanel/2_2_bgd.jpg">

</td>

<td width="20" valign="top">

<img name="n2_2_2" src="../images/internalpanel/2_2_2.jpg" width="20" height="20"

border="0" id="n2_2_2" alt="" />

</td>

</tr>

</table>

</td>

</tr>

</table>

<table align="center" border="0" cellpadding="3" cellspacing="0" width="100%">

<tr valign="middle">

<td style="text-align: center">

<asp:HyperLink ID="printbill" runat="server">

<asp:ImageButton ID="Bill" CommandName="Bill" CausesValidation="true" ToolTip="Bill"

runat="server" ImageUrl="~/images/button_Bill.jpg" /></asp:HyperLink>

<asp:ImageButton ID="SaveButton" CommandName="Close" CausesValidation="true" ToolTip="Close Window"

runat="server" ImageUrl="~/images/button_ok.jpg" />

<asp:HyperLink ID="printorder" runat="server">

<asp:ImageButton ID="SendOrder" CommandName="Send" CausesValidation="true" ToolTip="Send Order"

runat="server" ImageUrl="~/images/button_send.jpg" /></asp:HyperLink>

<asp:ImageButton ID="Remove" CommandName="Remove" CausesValidation="true" ToolTip="Remove Order"

runat="server" ImageUrl="~/images/button_remove.jpg" />

<asp:ImageButton ID="Refresh" CommandName="Refresh" CausesValidation="true" ToolTip="Refresh Order"

Visible="false" runat="server" ImageUrl="~/images/button_refresh.jpg" />

</td>

</tr>

</table>

</div>

<Telerik:RadInputManager ID="RadInputManager1" runat="server">

<Telerik:NumericTextBoxSetting BehaviorID="NumericBehavior3" Type="Number" DecimalDigits="0">

<TargetControls>

<Telerik:TargetInput ControlID="txtTotal" />

</TargetControls>

</Telerik:NumericTextBoxSetting>

</Telerik:RadInputManager>

</asp:Content>

<asp:Content ID="Content2" runat="server" ContentPlaceHolderID="head">

</asp:Content>

and the code behind is the following:

Imports System

Imports System.Data

Imports System.Configuration

Imports System.Collections

Imports System.Web

Imports System.Web.Security

Imports System.Web.UI

Imports System.Web.UI.WebControls

Imports System.Web.UI.WebControls.WebParts

Imports System.Web.UI.HtmlControls

Imports Telerik.Web.UI

Partial Public Class Orders

Inherits System.Web.UI.Page

Protected Sub Orders_Init(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Init

Dim sTableID = Request.QueryString("TableID")

Dim sBarID = Request.QueryString("BarID")

txtDiscount.Value = 0

txtortotal.Value = 0

If Session("UserTypeID") = 4 Then

Refresh.Visible = False

Remove.Visible = False

Else

'txtDiscount.MaxValue = 100

End If

If sTableID Is Nothing Then

If sBarID Is Nothing Then

ScriptManager.RegisterStartupScript(Me, [GetType](), "closeWnd", "CloseWnd();", True)

Else

ViewState("Bar") = True

HiddenBarID.Value = sBarID

HiddenTableID.Value = 0

Headtxt.Text = "BAR Number: " & sBarID

End If

Else

ViewState("Table") = True

HiddenBarID.Value = 0

HiddenTableID.Value = sTableID

Headtxt.Text = "TABLE Number: " & sTableID

'get table name if exist

Dim db As New RestData.RestDataContext()

Dim sTableData = (From p In db.Tables _

Where p.number = sTableID _

And p.Type = "T" _

Select p).SingleOrDefault

If sTableData IsNot Nothing Then

Dim sTableName = sTableData.Owner

Headtxt.Text = Headtxt.Text + " - " + "TABLE OWNER: " + sTableName

End If

End Sub

Protected Sub SaveButton_Click(ByVal sender As Object, ByVal e As System.Web.UI.ImageClickEventArgs) Handles SaveButton.Click

ScriptManager.RegisterStartupScript(Me, [GetType](), "closeWnd", "CloseWnd();", True)

End Sub

Friend Class SiteDataItem

Private _text As String

Private _id As Integer

Private _parentId As Integer

Public Property Text() As String

Get

Return _text

End Get

Set(ByVal value As String)

_text = value

End Set

End Property

Public Property ID() As Integer

Get

Return _id

End Get

Set(ByVal value As Integer)

_id = value

End Set

End Property

Public Property ParentID() As Integer

Get

Return _parentId

End Get

Set(ByVal value As Integer)

_parentId = value

End Set

End Property

Public Sub New(ByVal id As Integer, ByVal parentId As Integer, ByVal text As String)

_id = id

_parentId = parentId

_text = text

End Sub

End Class

Private Shared Sub BindToIEnumerable(ByVal treeView As RadTreeView)

Dim siteData As New List(Of SiteDataItem)()

Dim db As New RestData.RestDataContext

Dim dd = db.usp_rr_admin_pu_Categories()

For Each Category In dd

Dim sCategoryID As Integer = Category.CategoryID

Dim sCategory As String = Category.Category

siteData.Add(New SiteDataItem(sCategoryID, 0, sCategory))

Next

Dim dd1 = db.usp_rr_admin_pu_Items()

For Each Item In dd1

Dim sItemID As Integer = Item.ItemID

Dim sItemName As String = Item.ItemName

Dim sParentID As Integer = Item.CategoryID

siteData.Add(New SiteDataItem(sItemID, sParentID, sItemName))

Next

treeView.DataTextField = "Text"

treeView.DataFieldID = "ID"

treeView.DataFieldParentID = "ParentID"

treeView.DataSource = siteData

treeView.DataBind()

End Sub

Private ReadOnly Property DataSource() As DataTable

Get

Dim data As DataTable = DirectCast(Session("DataSource"), DataTable)

txtTotal.Value = 0

data = New DataTable()

data.Columns.Add("Item Name")

data.Columns.Add("Unit Price")

Dim db As New RestData.RestDataContext

Dim dd = db.usp_rr_admin_pu_Orders(HiddenBarID.Value, HiddenTableID.Value)

For Each item In dd

Dim sItemName As String = item.ItemName

Dim sUnitPrice As Integer = item.UnitPrice

Dim sReference As String = item.referenceID

data.Rows.Add(New Object() {sItemName, sUnitPrice})

If sReference Is Nothing Then

Dim number As String = Format("(0: D9)", (DateTime.Now.Ticks / 10) Mod 1000000000)

Session("Reference") = number

Else

Session("Reference") = sReference

End If

Next

Session("DataSource") = data

Return data

End Get

End Property

Protected Overloads Overrides Sub OnLoad(ByVal e As EventArgs)

If Not Page.IsPostBack Then

BindToIEnumerable(RadTreeView1)

'RadTreeView1.ExpandAllNodes()

End If

MyBase.OnLoad(e)

End Sub

Protected Sub orders_ItemCreated(ByVal sender As Object, ByVal e As GridItemEventArgs)

If TypeOf e.Item Is GridDataItem Then

Dim dataItem As GridDataItem = TryCast(e.Item, GridDataItem)

'Registers the onmousedown event to be fired upon selecting a grid's row and passes arguments to the event handler

e.Item.Attributes("onmousedown") = String.Format("onMouseDown(event, this,{0})", dataItem.DataSetIndex)

e.Item.Style("cursor") = "move"

End If

End Sub

Protected Sub RadAjaxManager1_AjaxRequest(ByVal sender As Object, ByVal e As AjaxRequestEventArgs)

'This ajax request is fired upon dropping a grid's row onto a TreeNode

'Finds the node, onto which the grid's row should be dropped, by text using the previously stored value of the "TreeNodeText" hidden field

Dim destinationNode As RadTreeNode = RadTreeView1.FindNodeByText(TreeNodeText.Value)

Dim sourceRow As DataRow = DataSource.Rows(Convert.ToInt32(DataSetIndex.Value))

'Creates a new node using the respective grid's row information. The text of the TreeNode is set to be the value of the needed cell in the grid's datasource

Dim sourceNode As New RadTreeNode(DirectCast(sourceRow("Column1"), String), DirectCast(sourceRow("Column2"), String))

destinationNode.Nodes.Add(sourceNode)

destinationNode.Expanded = True

'Removes the row that has been dropped onto the treeview

'DataSource.Rows.Remove(sourceRow)

'Rebinds the grid to address the changes made to its datasource

orders.Rebind()

If e.Argument = "Rebind" Then

orders.MasterTableView.SortExpressions.Clear()

orders.MasterTableView.GroupByExpressions.Clear()

orders.Rebind()

ElseIf e.Argument = "RebindAndNavigate" Then

orders.MasterTableView.SortExpressions.Clear()

orders.MasterTableView.GroupByExpressions.Clear()

orders.MasterTableView.CurrentPageIndex = orders.MasterTableView.PageCount - 1

orders.Rebind()

End If

End Sub

Protected Sub orders_NeedDataSource(ByVal source As Object, ByVal e As GridNeedDataSourceEventArgs)

orders.DataSource = DataSource

GetTotal()

End Sub

Protected Sub RadTreeView1_NodeDrop(ByVal sender As Object, ByVal e As Telerik.Web.UI.RadTreeNodeDragDropEventArgs)

'Handle when dropped on another Node.

If e.SourceDragNode.Level <> 0 Then

If e.DestDragNode IsNot Nothing Then

'If e.SourceDragNode.Level <> "0" Then

ElseIf e.HtmlElementID = orders.ClientID Then

Dim dt As DataTable = DirectCast(Session("DataSource"), DataTable)

For Each node As RadTreeNode In e.DraggedNodes

AddRowToGrid(dt, node)

'AddRowsToGrid(dt, node.Nodes)

'node.Remove()

Next

End If

'End If

End If

End Sub

Private Sub AddRowsToGrid(ByVal dt As DataTable, ByVal nodes As RadTreeNodeCollection)

For Each node As RadTreeNode In nodes

AddRowToGrid(dt, node)

'AddRowsToGrid(dt, node.Nodes)

Next

End Sub

Private Sub AddRowToGrid(ByVal dt As DataTable, ByVal node As RadTreeNode)

Dim sText = node.Text

Dim sItemID = node.Value

Dim sUnitPrice = 0

Dim sOrderID = 0

Dim sBarID = HiddenBarID.Value

Dim sTableID = HiddenTableID.Value

Dim sNotes = txtNotes.Text

Dim sOrderDate = Now

Dim db As New RestData.RestDataContext()

Dim sItemData = (From p In db.Items _

Where p.ItemName = sText _

Select p).Single

If Not sItemData Is Nothing Then

sText = sItemData.ItemName

sItemID = sItemData.ItemID

sUnitPrice = sItemData.UnitPrice

End If

db.Dispose()

Dim values As String() = {sText, sUnitPrice, 0, sItemID}

' insert the new Order in the orders table

Dim db2 As New RestData.RestDataContext()

Dim p1 As New RestData.Order

p1.ItemID = sItemID

p1.BarID = sBarID

p1.Notes = sNotes

p1.OrderDate = Now

p1.TableID = sTableID

'db1.Orders.InsertOnSubmit(p1)

db2.ExecuteCommand("INSERT INTO Orders (ItemID,TableID,BarID,OrderDate,Status,Notes,UserID) values ({0},{1},{2},{3},{4},{5},{6})", sItemID, sTableID, sBarID, sOrderDate, 1, sNotes, Session("UserID"))

db2.SubmitChanges()

db2.Dispose()

db2 = Nothing

'get last orderid

Dim maxdb As New RestData.RestDataContext

Dim maxorder = maxdb.usp_rr_admin_pu_GetMaxOrder()

Dim maxOrderID = maxorder.Single.LastOrderID.Value

'get reference number if exist for that table or bar,

'if not not we generate a new one

Dim refdb As New RestData.RestDataContext

Dim ref = refdb.usp_rr_admin_pu_Reference(HiddenBarID.Value, HiddenTableID.Value)

For Each Order In ref

If String.IsNullOrEmpty(Order.referenceID) Then

Dim number As String = Format("(0: D9)", (DateTime.Now.Ticks / 10) Mod 1000000000)

Session("Reference") = number

Else

Dim sReference As String = Order.referenceID

Session("Reference") = sReference

End If

Next

'update the last record with the reference number

Dim db3 As New RestData.RestDataContext()

Dim slastOrder = (From p In db3.Orders _

Where p.OrderID = maxOrderID _

Select p).Single

slastOrder.ReferenceID = Session("Reference")

db3.SubmitChanges()

db3.Dispose()

db3 = Nothing

txtNotes.Text = ""

orders.Rebind()

GetTotal()

End Sub

Protected Sub Remove_Click(ByVal sender As Object, ByVal e As System.Web.UI.ImageClickEventArgs) Handles Remove.Click

Dim sTableID = HiddenTableID.Value

Dim sBarID = HiddenBarID.Value

If sBarID <> 0 Then

Dim sID = sBarID

RadWindowManager2.Windows(0).NavigateUrl = "Remove.aspx?BarID=" & sID

Else

Dim sID = sTableID

RadWindowManager2.Windows(0).NavigateUrl = "Remove.aspx?TableID=" & sID

End If

RadWindowManager2.Windows(0).VisibleOnPageLoad = True

RadWindowManager2.Modal = True

RadWindowManager2.Width = 850

RadWindowManager2.Height = 550

RadWindowManager2.Windows(0).Width = 850

RadWindowManager2.Windows(0).Height = 550

RadWindowManager2.KeepInScreenBounds = True

End Sub

Private Sub Orders_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

RadWindowManager2.Windows(0).VisibleOnPageLoad = False

Dim sTableID = HiddenTableID.Value

Dim sBarID = HiddenBarID.Value

Dim sPath = ""

Dim sPath1 = ""

If sTableID IsNot Nothing And sTableID <> "0" Then

Dim url = "Bill.aspx?TableID=" & sTableID & " &Discount=" & txtDiscount.Value & ""

Dim url1 = "SendOrder.aspx?TableID=" & sTableID & " &Discount=" & txtDiscount.Value & ""

sPath = url

sPath1 = url1

Else

Dim url = "Bill.aspx?BarID=" & sBarID & " &Discount=" & txtDiscount.Value & ""

Dim url1 = "SendOrder.aspx?BarID=" & sBarID & " &Discount=" & txtDiscount.Value & ""

sPath = url

sPath1 = url1

End If

OpenPopUp(printbill, sPath, "", 400, 550)

OpenPopUp(printorder, sPath1, "", 400, 550)

If Session("UserTypeID") = 4 Then

txtDiscount.MaxValue = 10

End If

If Session("UserTypeID") = 1 Or Session("UserTypeID") = 2 Then

txtDiscount.MaxValue = 100

End If

If Session("UserTypeID") = 3 Then

txtDiscount.MaxValue = 37.5

End If

End Sub

Public Shared Sub OpenPopUp(ByVal opener As System.Web.UI.WebControls.WebControl, ByVal PagePath As String, ByVal windowName As String, ByVal width As Integer, ByVal height As Integer)

Dim clientScript As String

Dim windowAttribs As String

Dim tscroll = "Yes"

windowAttribs = "width=" & width & "px," & _

"height=" & height & "px," & _

"ScrollBars=" & tscroll & "," & _

"left='+((screen.width -" & width & ") / 2)+'," & _

"top='+ (screen.height - " & height & ") / 2+'"

clientScript = "window.open('" & PagePath & "','" & windowName & "','" & windowAttribs & "');return false;"

opener.Attributes.Add("onClick", clientScript)

End Sub

Private Sub Refresh_Click(ByVal sender As Object, ByVal e As System.Web.UI.ImageClickEventArgs) Handles Refresh.Click

orders.Rebind()

GetTotal()

End Sub

Private Sub GetTotal()

txtortotal.Value = 0

Dim db As New RestData.RestDataContext

Dim dd = db.usp_rr_admin_pu_Orders(HiddenBarID.Value, HiddenTableID.Value)

For Each item In dd

Dim sUnitPrice As Integer = item.UnitPrice

txtortotal.Value = txtortotal.Value + sUnitPrice

Next

txtTotal.Value = txtortotal.Value - (txtortotal.Value * txtDiscount.Value / 100)

End Sub

Protected Sub btnDC_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnDC.Click

'txtTotal.Value = txtortotal.Value - txtDiscount.Value

txtTotal.Value = txtortotal.Value - (txtortotal.Value * txtDiscount.Value / 100)

End Sub

Private Sub Orders_PreRender(ByVal sender As Object, ByVal e As System.EventArgs) Handles orders.PreRender

If Not IsPostBack Then

For Each item As GridItem In orders.MasterTableView.Items

If TypeOf item Is GridEditableItem Then

Dim editableItem As GridEditableItem = CType(item, GridDataItem)

editableItem.Edit = True

End If

Next

orders.Rebind()

End If

End Sub

End Class

Grid Like excel

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