ASPxHiddenField.Contains(String) Method

Returns a value indicating whether the value with the specified property name is contained within the ASPxHiddenField control’s value collection.

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v23.2.dll

NuGet Package: DevExpress.Web

Declaration

C#

public bool Contains(
    string propertyName
)

VB.NET

Public Function Contains(
    propertyName As String
) As Boolean

Parameters

Name	Type	Description
propertyName	String	A string value that specifies the property name.

Returns

Type	Description
Boolean	true if this value is contained within the collection; otherwise, false.

Remarks

The Contains method is used to determine whether the value with the specified property name is contained within the ASPxHiddenField‘s value collection. To obtain the specified value from the collection, use the ASPxHiddenField.Get method or the ASPxHiddenField.Item property.

Use the ASPxHiddenField.Add or ASPxHiddenField.Set methods to add a new value to the control’s value collection.

If you want to remove all values from the control’s value collection, use the ASPxHiddenField.Clear method. The ASPxHiddenField.Remove method is used to delete an individual value.

Example

C#

protected void ASPxButton1_Click(object sender, EventArgs e) {
    ASPxButton btn = sender as ASPxButton;
    if(ASPxHiddenField1.Contains("newproperty")) {
        btn.Text = ASPxHiddenField1["newproperty"].ToString();
    }
}