How Can I call Store procedure and a table in the same function in .net core repository? - api

Question

I am making an API using ASP.netCore to fetch data from teradata. I have 2 store procedure on Teradata DB one for encryption one for description. What I want to achieve is when user call the get method to fetch data, my Store procedure should run first and then it should return all table to user(changed as SP).
I have tried a lot but didn't manage to find any way to call store procedure and Select * table together. If I run the only store procedure OR call only select * table it work. I want to call both (SP and select*) so first SP should run and change the data then return the changed data table.
My codes are following.
Codes for GetDataTable
public IEnumerable<myTable> GetData(IConfiguration _configuration)
{
try
{
myTable TableReturn = new myTable();
List<myTable> dataReturn = new List<myTable>();
var connectionString = _configuration.GetConnectionString("TeradataConnectionString");
using (var connection = new TdConnection(connectionString))
{
'Date_Of_Birth', ENCRYPTEDSTRING);";
TdCommand cmd = new TdCommand("SELECT * FROM Project.myTable;", connection) ;
TdCommand Db = (TdCommand)cmd;
Db.Connection = connection;
connection.Open();
TdDataReader reader = Db.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
var newTable = new myTable();
newTable.Employee_Id = (string)reader.GetString(0);
newTable.First_name = (string)reader.GetString(1);
newTable.Last_Name = (string)reader.GetString(2);
newTable.Date_Of_Birth = (string)reader.GetString(3);
newTable.Phone = (string)reader.GetString(4);
newTable.Em_Position = (string)reader.GetString(5);
dataReturn.Add(newTable);
}
}
else
{
Console.WriteLine("no rows found");
}
}
return dataReturn;
}
catch (Exception e)
{
throw new Exception();
}
}
My codes for store procedure are following
public IEnumerable<DecryptedData> DecryptedData(IConfiguration _configuration)
{
// DecryptedData DecryptedReturn = new DecryptedData();
List<DecryptedData> dataReturn = new List<DecryptedData>();
var connectionString = _configuration.GetConnectionString("TeradataConnectionString");
using (var connection = new TdConnection(connectionString))
{
string command = "CALL Project.Decryption(STATUS,'Project' ,'myTable', 'Date_Of_Birth', ENCRYPTEDSTRING);";
TdCommand cmd = new TdCommand(command, connection);
TdCommand Db = (TdCommand)cmd;
Db.Connection = connection;
connection.Open();
TdDataReader reader = Db.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
var DecryptedData = new DecryptedData();
DecryptedData.Date_Of_Birth = reader.GetString(1);
dataReturn.Add(DecryptedData);
Console.WriteLine(dataReturn);
}
}
else
{
Console.WriteLine("no rows found");
}
}
return dataReturn;
}