Unable to add a new record to Azure SQL table

 I had been received an error when try to add a new record to Azure SQL table via Mobile App service in a mobile app as below:

StatusCode: 400, ReasonPhrase: 'Bad Request', Version: 1.1, Content: System.Net.Http.StreamContent, Headers: 400 Bad request"

I verified the SQL table and even can manually insert a record on there.

Suddenly, I realized that an error
" System.Data.SqlClient.SqlException (0x80131904): Cannot create more than one clustered index on table" was showing when created this table in Azure Mobile .Net back-end.

Generally, this error message is caused that Entity Framework does not have an annotation for creating a clustered index that is not a primary key, so the mobile server SDK manually creates the right SQL statements to set CreatedAt as a non-primary key clustered index.

To resolve this, In the Migrations\Configuration.cs file, include the following lines:

public Configuration()
{
   AutomaticMigrationsEnabled = false;
   SetSqlGenerator("System.Data.SqlClient", new EntityTableSqlGenerator());
}

I updated my Azure SQL table again based on above configuration. Now I can insert data to table successfully.

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