troubleshooting Question
Convert asp.net VB code behind script to Javascript
asked on
Is there are way that i can convert the attached VB script to Java so i can avoid the Gridviews Postback and possible speed up the process?
the code should be fired when the value of the Dropdown list in the gridview has changed.
Thank You!
the code should be fired when the value of the Dropdown list in the gridview has changed.
Thank You!
---This is the GridView Code---
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
DataSourceID="SqlDataSource1" CssClass="GridViewStyle"
DataKeyNames="item_id" DataMember="DefaultView" ShowFooter="True"
AllowSorting="True" >
<RowStyle CssClass="RowStyle" />
<EmptyDataRowStyle CssClass="EmptyRowStyle" />
<PagerStyle CssClass="PagerStyle" />
<SelectedRowStyle CssClass="SelectedRowStyle" />
<HeaderStyle CssClass="HeaderStyle" />
<EditRowStyle CssClass="EditRowStyle" />
<AlternatingRowStyle CssClass="AltRowStyle" />
<Columns>
<asp:BoundField DataField="item_id" HeaderText="Item ID"
SortExpression="item_id" />
<asp:TemplateField>
<ItemTemplate>
<div>
<a href="#" onclick="openRadWindow('http://search.com'); return false;">
<img src='<%# Eval("Item_Image") %>' height="20px" /></a>
</div>
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="unit_of_measure" HeaderText="Unit of Measure"
SortExpression="unit_of_measure" />
<asp:BoundField DataField="item_desc" HeaderText="Item Description"
SortExpression="item_desc" />
<asp:BoundField DataField="Last Order Date" DataFormatString="{0:d}"
HeaderText="Last Invoice Date" SortExpression="Last Order Date" />
<asp:TemplateField HeaderText="Price" SortExpression="unit_price">
<ItemTemplate>
<asp:Label ID="Price" runat="server" Text='<%# Bind("unit_price", "{0:c}") %>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("unit_price") %>'></asp:TextBox>
</EditItemTemplate>
<FooterTemplate>
</FooterTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Qty">
<ItemTemplate>
<asp:DropDownList ID="ddlDropDownList" runat="server" AutoPostBack="True"
onselectedindexchanged="ddlDropDownList_SelectedIndexChanged">
<asp:ListItem Text="0" Value="0" Selected="True"></asp:ListItem>
<asp:ListItem Text="1" Value="1"></asp:ListItem>
<asp:ListItem Text="2" Value="2"></asp:ListItem>
<asp:ListItem Text="3" Value="3"></asp:ListItem>
<asp:ListItem Text="4" Value="4"></asp:ListItem>
<asp:ListItem Text="5" Value="5"></asp:ListItem>
<asp:ListItem Text="6" Value="6"></asp:ListItem>
<asp:ListItem Text="7" Value="7"></asp:ListItem>
<asp:ListItem Text="8" Value="8"></asp:ListItem>
<asp:ListItem Text="9" Value="9"></asp:ListItem>
<asp:ListItem Text="10" Value="10"></asp:ListItem>
<asp:ListItem Text="11" Value="11"></asp:ListItem>
<asp:ListItem Text="12" Value="12"></asp:ListItem>
<asp:ListItem Text="13" Value="13"></asp:ListItem>
<asp:ListItem Text="14" Value="14"></asp:ListItem>
<asp:ListItem Text="15" Value="15"></asp:ListItem>
<asp:ListItem Text="16" Value="16"></asp:ListItem>
<asp:ListItem Text="17" Value="17"></asp:ListItem>
<asp:ListItem Text="18" Value="18"></asp:ListItem>
<asp:ListItem Text="19" Value="19"></asp:ListItem>
<asp:ListItem Text="20" Value="20"></asp:ListItem>
<asp:ListItem Text="21" Value="21"></asp:ListItem>
<asp:ListItem Text="22" Value="22"></asp:ListItem>
<asp:ListItem Text="23" Value="23"></asp:ListItem>
<asp:ListItem Text="24" Value="24"></asp:ListItem>
<asp:ListItem Text="25" Value="25"></asp:ListItem>
<asp:ListItem Text="26" Value="26"></asp:ListItem>
<asp:ListItem Text="27" Value="27"></asp:ListItem>
<asp:ListItem Text="28" Value="28"></asp:ListItem>
<asp:ListItem Text="29" Value="29"></asp:ListItem>
<asp:ListItem Text="30" Value="30"></asp:ListItem>
<asp:ListItem Text="33" Value="31"></asp:ListItem>
<asp:ListItem Text="33" Value="32"></asp:ListItem>
<asp:ListItem Text="33" Value="33"></asp:ListItem>
<asp:ListItem Text="34" Value="34"></asp:ListItem>
<asp:ListItem Text="35" Value="35"></asp:ListItem>
<asp:ListItem Text="36" Value="36"></asp:ListItem>
<asp:ListItem Text="37" Value="37"></asp:ListItem>
<asp:ListItem Text="38" Value="38"></asp:ListItem>
<asp:ListItem Text="39" Value="39"></asp:ListItem>
<asp:ListItem Text="40" Value="40"></asp:ListItem>
<asp:ListItem Text="44" Value="41"></asp:ListItem>
<asp:ListItem Text="44" Value="42"></asp:ListItem>
<asp:ListItem Text="44" Value="44"></asp:ListItem>
<asp:ListItem Text="44" Value="45"></asp:ListItem>
<asp:ListItem Text="45" Value="45"></asp:ListItem>
<asp:ListItem Text="46" Value="46"></asp:ListItem>
<asp:ListItem Text="47" Value="47"></asp:ListItem>
<asp:ListItem Text="48" Value="48"></asp:ListItem>
<asp:ListItem Text="49" Value="49"></asp:ListItem>
<asp:ListItem Text="50" Value="50"></asp:ListItem>
</asp:DropDownList>
<asp:Label runat="server" ID="lblOrderStatus"></asp:Label>
</ItemTemplate>
<ItemStyle Font-Bold="True" Font-Size="Medium" />
</asp:TemplateField>
<asp:TemplateField HeaderText="Extended Price">
<ItemTemplate>
<asp:Label runat="server" ID="Totals"></asp:Label>
</ItemTemplate>
<FooterTemplate>
<asp:Label runat="server" ID="SubTotals"></asp:Label>
<asp:Label ID="lblTotal" runat="server"></asp:Label>
</FooterTemplate>
</asp:TemplateField>
</Columns>
<HeaderStyle
Font-Size="XX-Small" />
<AlternatingRowStyle Font-Size="XX-Small" />
</asp:GridView>
---this is the CodeBehind script I would like to convert---
Dim TotalUnitPrice As Decimal = 0.0
Protected Sub ddlDropDownList_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs)
Dim ddlCurrentDropDownList As DropDownList = CType(sender, DropDownList)
Dim grdrDropDownRow As GridViewRow = (CType(ddlCurrentDropDownList.Parent.Parent, GridViewRow))
Dim lblCurrentStatus As Label = CType(grdrDropDownRow.FindControl("lblOrderStatus"), Label)
If Not lblCurrentStatus Is Nothing Then
Dim ddlCurrent As DropDownList = sender
'try to get the rox index
Dim grdRow As GridViewRow = ddlCurrentDropDownList.Parent.Parent
Dim Row As GridViewRow = CType(CType(sender, Control).Parent.Parent, _
GridViewRow)
'end
Dim index As Integer = Row.RowIndex
Dim lbl As Label = Row.FindControl("Totals")
Dim txtPrice As Label = Row.FindControl("Price")
Dim lbQty As DropDownList = Row.FindControl("ddlDropDownList")
Dim qty As String = CInt(lbQty.SelectedValue)
Dim price As Double = CDbl(txtPrice.Text)
Dim lblTotal As Label = GridView1.FooterRow.FindControl("SubTotals")
lbl.Text = String.Format("{0:c}", (CType(qty, Decimal) * CType(price, Decimal)))
Dim PriceTotal As String = String.Format("{0:c}", (CType(qty, Decimal) * CType(price, Decimal)))
TotalUnitPrice = Session("SubTotal") + PriceTotal
Session("SubTotal") = TotalUnitPrice
lblTotal.Text = String.Format("{0:c}", Session("SubTotal"))
End If
End Sub
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