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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.v24.1.dll

NuGet Package: DevExpress.Web

Declaration

public bool Contains(
    string propertyName
)

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

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