CriteriaOperator.Parse(String, Object[]) Method

Converts the specified string into its CriteriaOperator equivalent. Throws an exception if it cannot convert the string to a criterion.

Namespace: DevExpress.Data.Filtering

Assembly: DevExpress.XamarinForms.Core.dll

NuGet Package: DevExpress.XamarinForms.Core

Declaration

public static CriteriaOperator Parse(
    string criteria,
    params object[] parameters
)

Parameters

Name	Type	Description
criteria	String	The expression string representation.
parameters	Object[]	The values that replace question mark characters in the expression. These parameters can be omitted.

Returns

Type	Description
CriteriaOperator	A CriteriaOperator parsed from the specified string.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the Parse(String, Object[]) method.

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#

XDL_how-to-delete-all-criteria-corresponding-to-a-particular-field-from-criteriaoperator-e3396/CS/PatchCriteriaExample/Program.cs#L13

string aggregateSkipCollection = CriteriaPatcherSkipProperties.Patch(
    CriteriaOperator.Parse("ToRemove[C = 'D'] and A = 'B'"), "ToRemove")
    .ToString();

XAF_how-to-initialize-business-objects-with-default-property-values-in-entity-framework-t209960/CS/InitializeObjects.Module/DatabaseUpdate/Updater.cs#L20

PhoneNumber phone1 = ObjectSpace.FindObject<PhoneNumber>(CriteriaOperator.Parse("Number = '555-0101'"));
if (phone1 == null) {

XAF_how-to-initialize-business-objects-with-default-property-values-in-xpo-e2053/CS/InitializeObjects.Module/Updater.cs#L15

PhoneNumber phone1 = ObjectSpace.FindObject<PhoneNumber>(CriteriaOperator.Parse("Number = '555-0101'"));
if(phone1 == null) {

how-to-bind-an-aspnet-mvc-gridview-extension-to-a-table-with-an-unknown-schema-using-custo-t602001/CS/XPCustomBindingExample/XPO/XpoBindingHandlers.cs#L24

public void GetDataRowCount(GridViewCustomBindingGetDataRowCountArgs e) {
    CriteriaOperator filter = CriteriaOperator.Parse(e.FilterExpression);
    CriteriaOperator expression = CriteriaOperator.Parse("count");

XAF_how-to-filter-a-report-parameters-lookup-t319024/CS/FilterReportParameter.Module/DatabaseUpdate/Updater.cs#L24

string name = "Test1";
DemoClass theObject = ObjectSpace.FindObject<DemoClass>(CriteriaOperator.Parse("Name=?", name));
if (theObject == null)

VB.NET

XDL_how-to-delete-all-criteria-corresponding-to-a-particular-field-from-criteriaoperator-e3396/VB/PatchCriteriaExample/Program.vb#L16

Dim expectedResult As String = "[A] = 'B'"
Dim aggregateSkipCollection As String = CriteriaPatcherSkipProperties.Patch(CriteriaOperator.Parse("ToRemove[C = 'D'] and A = 'B'"), "ToRemove").ToString()
Dim aggregateSkipCondition As String = CriteriaPatcherSkipProperties.Patch(CriteriaOperator.Parse("C[ToRemove = 'D'] and A = 'B'"), "ToRemove").ToString()

XAF_how-to-initialize-business-objects-with-default-property-values-in-entity-framework-t209960/VB/InitializeObjects.Module/DatabaseUpdate/Updater.vb#L22

Dim phone1 As PhoneNumber = ObjectSpace.FindObject(Of PhoneNumber)(CriteriaOperator.Parse("Number = '555-0101'"))
If phone1 Is Nothing Then

XAF_how-to-initialize-business-objects-with-default-property-values-in-xpo-e2053/VB/InitializeObjects.Module/Updater.vb#L19

Dim phone1 As PhoneNumber = ObjectSpace.FindObject(Of PhoneNumber)(CriteriaOperator.Parse("Number = '555-0101'"))
If phone1 Is Nothing Then

how-to-bind-an-aspnet-mvc-gridview-extension-to-a-table-with-an-unknown-schema-using-custo-t602001/VB/XPCustomBindingExample/XPO/XpoBindingHandlers.vb#L24

Public Sub GetDataRowCount(ByVal e As GridViewCustomBindingGetDataRowCountArgs)
    Dim filter As CriteriaOperator = CriteriaOperator.Parse(e.FilterExpression)
    Dim expression As CriteriaOperator = CriteriaOperator.Parse("count")

XAF_how-to-filter-a-report-parameters-lookup-t319024/VB/FilterReportParameter.Module/DatabaseUpdate/Updater.vb#L23

Dim name As String = "Test1"
Dim theObject As DemoClass = ObjectSpace.FindObject(Of DemoClass)(CriteriaOperator.Parse("Name=?", name))
If theObject Is Nothing Then