corelibraries-devexpress-dot-xtrareports-dot-parameters-dot-parameter-d24bae38.md
Specifies whether a parameter editor is visible in the Parameters panel.
Namespace : DevExpress.XtraReports.Parameters
Assembly : DevExpress.Printing.v25.2.Core.dll
NuGet Package : DevExpress.Printing.Core
[DefaultValue(true)]
public bool Visible { get; set; }
<DefaultValue(True)>
Public Property Visible As Boolean
| Type | Default | Description |
|---|---|---|
| Boolean | true |
true to show a parameter editor; otherwise, false.
|
All hidden parameters are submitted to a report with default values. You can also submit default values for all report parameters (visible and hidden) when you open a report Preview. For this, disable the report’s RequestParameters property.
The following example hides an editor of the Company parameter.
| Visible = true (Default) | Visible = false |
|---|---|
using DevExpress.XtraReports.Parameters;
// ...
report.Parameters["company"].Visible = false;
Imports DevExpress.XtraReports.Parameters
' ...
report.Parameters("company").Visible = False
You can also specify an expression for the Visible property to show/hide a parameter editor based on a value of another parameter.
using DevExpress.XtraReports.Parameters;
// ...
using DevExpress.XtraReports.Expressions;
// ...
report.Parameters["company"].ExpressionBindings.Add(
new BasicExpressionBinding() {
PropertyName = "Visible",
Expression = "!IsNullOrEmpty(?customer)",
}
);
Imports DevExpress.XtraReports.Parameters
' ...
Imports DevExpress.XtraReports.Expressions
' ...
report.Parameters("company").ExpressionBindings.Add(
New BasicExpressionBinding() With {
.PropertyName = "Visible",
.Expression = "!IsNullOrEmpty(?customer)"
}
)
The following code snippets (auto-collected from DevExpress Examples) contain references to the Visible property.
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.
reporting-winforms-salary-reports/CS/SalaryReports/MainForm.cs#L24
report.Parameters["paramEmpName"].Value = string.Empty;
report.Parameters["paramEmpName"].Visible = false;
e.Control = new DocumentViewerUserControl() { Report = report };
reporting-winforms-parameter-multivalue/CS/Program.cs#L45
// values as defaults.
parameter1.Visible = true;
parameter1.SelectAllValues = true;
foreach (var parameter in report.Parameters) {
parameter.Visible = false;
}
Reporting-Blazor-JSBased-Viewer-Specify-Parameters/CS/BlazorApp/Services/CustomReportProvider.cs#L38
foreach (var parameter in report.Parameters) {
parameter.Visible = false;
}
reporting-winforms-add-report-parameters/CS/ReportParameterExample/Form1.cs#L23
param1.Description = "Category: ";
param1.Visible = true;
reporting-winforms-salary-reports/VB/SalaryReports/MainForm.vb#L20
report.Parameters("paramEmpName").Value = String.Empty
report.Parameters("paramEmpName").Visible = False
e.Control = New DocumentViewerUserControl() With {.Report = report}
reporting-winforms-parameter-multivalue/VB/Program.vb#L49
' values as defaults.
parameter1.Visible = True
parameter1.SelectAllValues = True
reporting-winforms-add-report-parameters/VB/ReportParameterExample/Form1.vb#L24
param1.Description = "Category: "
param1.Visible = True
' Add the parameter to the report.
See Also