Error: Cannot read property ‘data’ of undefined
This error occurs in JavaScript when trying to access the data property of an undefined object. The issue usually arises when handling API responses, state management, or working with asynchronous….
Tag: Try-Catch
Not handling API failures leading to unhandled errors
Proper API Error Handling in React Applications A critical aspect of robust React development is properly handling API failures to prevent uncaught errors and provide a good user experience. The….
System.Data.SqlClient.SqlException – Violation of PRIMARY KEY constraint
The System.Data.SqlClient.SqlException – Violation of PRIMARY KEY constraint is a runtime exception in C# that occurs when the application tries to insert or update a row in a SQL Server….
System.Data.SqlClient.SqlException – Cannot find column ‘xyz’
The System.Data.SqlClient.SqlException – Cannot find column ‘xyz’ is a runtime exception in C# that occurs when the application tries to access a column in a SQL Server database that does….
System.Data.SqlClient.SqlException – Cannot insert the value NULL into column ‘xyz’
The System.Data.SqlClient.SqlException – Cannot insert the value NULL into column ‘xyz’ is a runtime exception in C# that occurs when the application tries to insert or update a row in….
System.Data.SqlClient.SqlException – String or binary data would be truncated
The System.Data.SqlClient.SqlException – String or binary data would be truncated is a runtime exception in C# that occurs when the application tries to insert or update data in a SQL….
Microsoft.EntityFrameworkCore.DbUpdateException – An error occurred while updating the entries
The Microsoft.EntityFrameworkCore.DbUpdateException – An error occurred while updating the entries is a runtime exception in C# that occurs when Entity Framework Core encounters an error while saving changes to the….
System.InvalidOperationException – The model backing the ‘xyz’ context has changed
The System.InvalidOperationException – The model backing the ‘xyz’ context has changed is a runtime exception in C# that occurs when the database schema does not match the Entity Framework model…..
System.Data.SqlClient.SqlException – Invalid object name ‘xyz’
The System.Data.SqlClient.SqlException – Invalid object name ‘xyz’ is a runtime exception in C# that occurs when the application tries to access a database object (e.g., table, view, stored procedure) that….
System.Security.SecurityException – Request for permission failed
The System.Security.SecurityException – Request for permission failed is a runtime exception in C# that occurs when the application tries to perform an operation that requires specific permissions, but the necessary….