MVCxFormLayoutItemCollection<ModelType>.Add<ValueType>(Expression<Func<ModelType, ValueType>>, Action<MVCxFormLayoutItem>) Method

Adds a layout item to the MVCxFormLayoutItemCollection<ModelType> collection and specifies the item’s settings and a Model field to which the item is bound.

Namespace: DevExpress.Web.Mvc

Assembly: DevExpress.Web.Mvc5.v24.2.dll

Declaration

C#

public MVCxFormLayoutItem Add<ValueType>(
    Expression<Func<ModelType, ValueType>> expression,
    Action<MVCxFormLayoutItem> method
)

VB.NET

Public Function Add(Of ValueType)(
    expression As Expression(Of Func(Of ModelType, ValueType)),
    method As Action(Of MVCxFormLayoutItem)
) As MVCxFormLayoutItem

Parameters

Name	Type	Description
expression	Expression<Func<ModelType, ValueType>>	An expression that identifies the object that contains the properties to edit or display.
method	Action<MVCxFormLayoutItem>	A delegate method that accepts MVCxFormLayoutItem as a parameter.

Type Parameters

Name
ValueType

Returns

Type	Description
MVCxFormLayoutItem	An MVCxFormLayoutItem object that is the newly added layout item.

Remarks

Use the Add<ValueType> method to add a customized layout item bound to the specified Model field.

Refer to the Binding to Data and Item Manipulation topics to learn more.

Example

The code sample below demonstrates how to add a customized layout item bound to the specified Model field to the FormLayout extension.

C#

@Html.DevExpress().FormLayout(settings =>
{
    settings.Name = "FormLayout1";

    //Adding a bound to a Model field layout item with custom settings 
    settings.Items.Add(m => m.FirstName, i => 
    {
        // Defining the item's caption
        i.Caption = "First Name";
        // Defining the item's nested extension
        i.NestedExtensionType = FormLayoutNestedExtensionItemType.TextBox;
        // Defining the item's help text 
        i.HelpText = "Enter the First Name";
    });
    ...
}).GetHtml()