CustomQueryValidator.Validate(DataConnectionParametersBase, String, ref String) Method

Validates a custom SQL query.

Namespace: DevExpress.DataAccess.Wizard.Services

Assembly: DevExpress.DataAccess.v24.1.dll

NuGet Packages: DevExpress.DataAccess, DevExpress.Win.PivotGrid, DevExpress.Win.TreeMap

Declaration

C#

public virtual bool Validate(
    DataConnectionParametersBase connectionParameters,
    string sql,
    ref string message
)

VB.NET

Public Overridable Function Validate(
    connectionParameters As DataConnectionParametersBase,
    sql As String,
    ByRef message As String
) As Boolean

Parameters

Name	Type	Description
connectionParameters	DataConnectionParametersBase	A DataConnectionParametersBase object, providing access to settings used to establish the current data connection.
sql	String	A String, specifying the SQL query to validate.
message	String	A String specifying the error message to display if validation fails.

Returns

Type	Description
Boolean	true, if the query is valid; otherwise, false.

Remarks

Important

Although the default validation mechanism only allows custom queries containing SELECT statements (except for SELECT INTO clauses), it cannot be considered safe as it does not prevent execution of potentially harmful requests. For this reason, we strongly recommend that you implement your own validation logic that does not reduce the default restrictions and permits only execution of specific query kinds.

Implements

Validate(DataConnectionParametersBase, String, ref String)