SchemaCorrectionNeededException Class

An exception that is thrown when the storage schema doesn’t match the structure of persistent objects and the schema cannot be modified.

Namespace: DevExpress.Xpo.DB.Exceptions

Assembly: DevExpress.Data.v22.1.dll

Declaration

C#

public class SchemaCorrectionNeededException :
    Exception

VB.NET

Public Class SchemaCorrectionNeededException
    Inherits Exception

Remarks

This exception is raised when the storage schema doesn’t match the structure of persistent objects and the schema cannot be modified (for instance, if the IDataStore.AutoCreateOption option is set to AutoCreateOption.None or AutoCreateOption.SchemaAlreadyExists).

Solution:

- check the AutoCreateOption options.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the SchemaCorrectionNeededException class.

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#

Reporting_web-report-designer-how-to-add-edit-remove-datasourses-in-the-web-report-designer-t196136/CS/CustomQueryInReportDesigner/Default.aspx.cs#L100

catch (Exception ex) {
    if (ex is DevExpress.Xpo.DB.Exceptions.SchemaCorrectionNeededException) {
        errorMessage = ex.InnerException.Message;

VB.NET

Reporting_web-report-designer-how-to-add-edit-remove-datasourses-in-the-web-report-designer-t196136/VB/CustomQueryInReportDesigner/Default.aspx.vb#L94

Catch ex As Exception
    If TypeOf ex Is DevExpress.Xpo.DB.Exceptions.SchemaCorrectionNeededException Then
        errorMessage = ex.InnerException.Message

Inheritance

Object

Exception

SchemaCorrectionNeededException