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You can use the RenderValueAs method to render a custom html markup in the grid cell. You must disable the default encoding and satinizing cell values using Encoded and Sanitized methods.
columns.Add()
.Encoded(false)
.Sanitized(false)
.SetWidth(30)
.RenderValueAs(o => @<button type="submit">Submit</button>);
columns.Add()
.Encoded(false)
.Sanitized(false)
.SetWidth(30)
.RenderValueAs(o => Html.CheckBox("checked", false));
You can render any custom layout using razor @helper:
@helper CustomRenderingOfColumn(Order order)
{
if (order.Customer.IsVip)
{
<text>Yes</text>
}
else
{
<text>No</text>
}
}
@await Html.Grid(Model).Columns(columns =>
{
columns.Add(o => o.Customer.IsVip)
.Titled("Vip customer")
.SetWidth(150)
.RenderValueAs(o => CustomRenderingOfColumn(o));
}).RenderAsync()
You can also use the RenderComponentAs method to render a custom view component in the grid cell:
columns.Add().RenderComponentAs<ButtonCellViewComponent>(returnUrl);
RenderComponentAs method has 2 optional parameters:
| Parameter | Type | Description |
|---|---|---|
| Actions | IList<Action> (optional) | the grid view can pass a list of Actions to be used by the view component (see Passing grid state as parameter) |
| Object | object (optional) | the grid view can pass an object to be used by the view component (see Passing grid state as parameter) |
If you use any of these paramenters, you must use them when creating the view component.
You must also create a viewcomponent. The InvokeAsync method includes a mandatory parameter called Item, and 3 optional parameters:
| Parameter | Type | Description |
|---|---|---|
| Item | object (mandatory) | the row item that will be used by the view component |
| Grid | IGrid (optional) | Grid can be used to get the grid state (see Passing grid state as parameter) |
| Actions | IList<Action> (optional) | the parent component can pass a list of Actions to be used by the view component (see Passing grid state as parameter) |
| Object | object (optional) | the parent component can pass an object to be used by the view component (see Passing grid state as parameter) |
Actions and Object must be used when calling the RenderComponentAs method, but Grid can be used without this requirement.
The view component can include any html elements as well as any event handling features.
An example of view component is:
public class ButtonCellViewComponent : ViewComponent
{
public async Task<IViewComponentResult> InvokeAsync(object Item, IGrid Grid, object Object)
{
int orderId = ((Order)Item).OrderID;
ViewData["gridState"] = Grid.GetState();
ViewData["returnUrl"] = (string)Object;
var factory = Task<IViewComponentResult>.Factory;
return await factory.StartNew(() => View(orderId));
}
And the view:
@model int
@{
string gridState = (string)ViewData["gridState"];
string returnUrl = (string)ViewData["returnUrl"];
}
<b><a class='modal_link' href='/Home/Edit/@Model?returnUrl=@returnUrl&gridState=@gridState'>Edit</a></b>
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