IParameter Interface

If implemented by a class, provides functionality to a report parameter.

Namespace: DevExpress.Data

Assembly: DevExpress.Data.v18.1.dll

Declaration

C#

public interface IParameter :
    IFilterParameter

VB.NET

Public Interface IParameter
    Inherits IFilterParameter

Related API Members

The following members accept/return IParameter objects:

• IParameterService.CreateParameter(Type)

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the IParameter interface.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

wpf-dashboard-how-to-manage-dashboard-parameters-in-code/CS/WPF_Dashboard_CustomParameters/Views/MyDashboardView.xaml.cs#L18

{
    var customParameter = e.Parameters.FirstOrDefault(p => p.Name == "parameterState");
    if (customParameter != null)

how-to-pass-a-hidden-dashboard-parameter-to-a-custom-sql-query-in-the-winforms-viewer-t338459/CS/Dashboard_CustomParameters_Win/Form1.cs#L13

private void dashboardViewer1_CustomParameters(object sender, CustomParametersEventArgs e) {
    var custIDParameter = e.Parameters.FirstOrDefault(p => p.Name == "custIDDashboardParameter");
    if (custIDParameter != null) {

how-to-add-a-new-data-source-type-to-the-data-source-wizard-t310160/CS/CustomWizardExample/Wizard/XmlPersonDataComponent.cs#L23

public void Fill(IEnumerable<DevExpress.Data.IParameter> sourceParameters) {
    var root = XDocument.Load(this.fileName).Root;

aspxdashboard-how-to-pass-a-hidden-dashboard-parameter-to-a-custom-sql-query-t491903/CS/ASPxDashboard_CustomParameters/WebForm1.aspx.cs#L30

{
    var custIDParameter = e.Parameters.FirstOrDefault(p => p.Name == "CustomerIdDashboardParameter");
    if (custIDParameter != null)

winforms-dashboard-how-to-delay-data-load-until-all-filters-are-set-t629796/CS/CustomShowDataExample/DesignerForm1.cs#L19

{
    DevExpress.Data.IParameter showDataParameter = dashboardDesigner.Parameters.FirstOrDefault(p => p.Name == "ShowData");
    if (showDataParameter != null)

VB.NET

how-to-add-a-new-data-source-type-to-the-data-source-wizard-t310160/VB/CustomWizardExample/Wizard/XmlPersonDataComponent.vb#L35

Public Sub Fill(ByVal sourceParameters As IEnumerable(Of DevExpress.Data.IParameter)) Implements IDataComponent.Fill
    Dim root = XDocument.Load(Me.fileName_Renamed).Root

winforms-dashboard-how-to-delay-data-load-until-all-filters-are-set-t629796/VB/CustomShowDataExample/DesignerForm1.vb#L17

Private Sub DashboardDesigner_CustomizeDashboardTitle(ByVal sender As Object, ByVal e As DevExpress.DashboardWin.CustomizeDashboardTitleEventArgs)
    Dim showDataParameter As DevExpress.Data.IParameter = dashboardDesigner.Parameters.FirstOrDefault(Function(p) p.Name = "ShowData")
    If showDataParameter IsNot Nothing Then