Exploring the Contents of an ASP ListView

I am attempting to align the odd-numbered items to the left using float:left, and the even-numbered items to the right using float:right. However, it seems like every item is being considered as odd AND element 1 regardless of the actual order in the list. Is there a way to achieve this using CSS? Since each item is labeled as 1, the usual method utilizing :nth-child(odd) {float:left;} and :nth-child(even){float:right;} is not effective. Are there any alternative ways I can target them?

The structure would look something like this:

<div class="options">
                                <asp:ListView ID="ListView1" runat="server" 
                                    DataSourceID="OptionsObjectDataSource" 
                                    EditIndex="-1" 
                                    OnPreRender="FabricsListView_PreRender">
                                    <ItemTemplate>
                                            <asp:DropDownList ID="OptionsAltDropDownList" runat="server" style="width:100%"
                                            DataSourceID="OptionsObjectDataSource" 
                                            DataTextField="description" 
                                            DataValueField="id"
                                            AppendDataBoundItems="true"
                                            OnDataBound="OptionsAltDropDownList_DataBound" >
                                            <asp:ListItem Value="">- Select Alt Option -</asp:ListItem>
                                        </asp:DropDownList>
                                        <asp:ObjectDataSource ID="OptionsObjectDataSource" 
                                                runat="server" 
                                                SelectMethod="GetOptionList" 
                                                TypeName="Data.ProductList" > 
                                        </asp:ObjectDataSource>
                                    </ItemTemplate>
                                </asp:ListView>
                                <asp:ObjectDataSource ID="OtherObjectDataSource" runat="server"
                                                            SelectMethod="GetByProduct" 
                                                            TypeName="Data.RequirementList" 
                                                            OldValuesParameterFormatString="original_{0}">
                                    <SelectParameters>
                                        <asp:ControlParameter ControlID="OptionHiddenField" Name="id" PropertyName="Value" Type="String" />
                                    </SelectParameters>
                                </asp:ObjectDataSource>
                            </div>

Answer №2

If you are unsure about where to check the index, you can implement the following method:

<some_element style="<%#RenderItemStyle(Container.ItemIndex)%>"

In this code snippet, "some_element" represents any element within your ItemTemplate. You will need to create a function called RenderItemStyle in your code-behind class:

protected string RenderItemStyle(int index)
{
    if ((index % 2) == 0)
       return style_for_even_row;
    else
       return style_for_odd_row;
}

During runtime, the RenderItemStyle function will be invoked for each row. Within this function, you have the flexibility to perform actions based on the "index" parameter.

Answer №3

My layout was all wrong because of how I structured my div elements. If I had included more details in my initial question, it would have been easier to explain. In essence, the ListView needs to be surrounded by a main div for the entire list and that main div should also be nested within another parent div for proper formatting. Additionally, each item inside the <ItemTemplate> requires its own div. By following this structure, we can then apply child styles accurately.

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