Line break on a board. Display the title once on a line

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@foreach (var data in ViewBag.listesite)
            {

        <tr>
            <th>@data.Title</th>           
            <td>@data.Marque </td>
            <td>@data.Model </td>
            <td>@data.Numero </td>
            <td>@data.Plage </td>
        </tr>

What I have tried:

The value of the title field does not change for each loop.
I would like the title field value to be displayed once, on a single line

Posted 4-Dec-19 7:38am

Member 14663996

Updated 5-Dec-19 2:02am

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j snooze 4-Dec-19 17:26pm

Then remove it from the for each loop and put the html just for the title above the for each loop.

1 solution

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Richard Deeming · Accepted Answer · 2019-12-05T02:03:00

Solution 1

Assuming your list exposes a Count property:

Razor

@{
    int rowCount = ViewBag.listesite.Count;
    bool firstRow = true;
}
@foreach (var data in ViewBag.listesite)
{
    <tr>
        @if (firstRow)
        {
            firstRow = false;
            <th rowspan="@rowCount">@data.Title</th>
        }
        <td>@data.Marque</td>
        <td>@data.Model</td>
        <td>@data.Numero</td>
        <td>@data.Plage</td>
    </tr>
}

EDIT: If there are multiple titles in the list, then group the records:

Razor

@{
    var allItems = (IEnumerable<YourType>)ViewBag.listesite;
}
@foreach (var group in allItems.GroupBy(i => i.Title))
{
    int rowCount = group.Count();
    bool firstRow = true;
    
    foreach (var data in group)
    {
        <tr>
            @if (firstRow)
            {
                firstRow = false;
                <th rowspan="@rowCount">@data.Title</th>
            }
            <td>@data.Marque</td>
            <td>@data.Model</td>
            <td>@data.Numero</td>
            <td>@data.Plage</td>
        </tr>
    }
}

NB: You'll need to cast the list to a concrete type, since extension methods can't be invoked on dynamic values.

Posted 5-Dec-19 2:03am

Richard Deeming

Updated 6-Dec-19 5:38am

v3

Comments

Member 14663996 6-Dec-19 8:36am

your solution works when there is one title for all records. But there is a title for each group of records

Richard Deeming 6-Dec-19 8:37am

Then you'll need to group the records by title.

Member 14663996 6-Dec-19 9:15am

in the controller or in the view ?

Richard Deeming 6-Dec-19 9:17am

I've updated my solution with an example of doing it in the view, but you could do it in the controller if you wanted to.

Member 14663996 6-Dec-19 9:58am

thank.
YourType est class or table ?

Member 14663996 6-Dec-19 10:05am

System.InvalidCastException : 'Impossible d'effectuer un cast d'un objet de type 'System.Collections.Generic.List`1[WebApplication_SRP.Models.Site]' en type 'System.Collections.Generic.IEnumerable`1[WebApplication_SRP.Models.C10_Communication

Richard Deeming 6-Dec-19 10:06am

var allItems = (IEnumerable<WebApplication_SRP.Models.Site>)ViewBag.listesite;

Member 14663996 6-Dec-19 11:36am

the title is never poster

Richard Deeming 6-Dec-19 11:38am

Typo in my update; replace bool firstRow = false; with bool firstRow = true;

Member 14663996 6-Dec-19 11:50am

TThank you so much.
it works now.

bool firstRow = true; (in the begining)

Member 14663996 6-Dec-19 11:50am

Yes, you're right . Thank you