Generic Repository return multiple tables from Stored Procedure in Dapper .NET

Database changes 

 ALTER PROCEDURE [dbo].[ProcedureName] 

 ( 

@param1 VARCHAR(500) 

) 

AS 

BEGIN

 SELECT * FROM Table1 

 SELECT * FROM Table2 

 SELECT * FROM Table3 

END

Interface 

 GridReader GetMultiple(string sp, DynamicParameters parms, CommandType commandType = CommandType.StoredProcedure); 

 Class implements interface 

 public GridReader GetMultiple(string sp, DynamicParameters parms, CommandType commandType = CommandType.StoredProcedure) 

 { 

 IDbConnection db = new SqlConnection(_config.GetConnectionString(Connectionstring)); 

 return db.QueryMultiple(sp, parms, commandType: commandType); 

 } 

 Repository function 

 public ModelType functionName(string param1) 

 { 

 Modelwithmultiplelists result = new SpecificationColourList(); 

 try 

 { 

 DynamicParameters _spr = new DynamicParameters(); 

 _spr.Add("param1", param1, DbType.String); 

 var x = _dapper.GetMultiple("ProcedureName", _spr, CommandType.StoredProcedure); 

 var tab1 = x.Read().FirstOrDefault(); 

 var tab2 = x.Read().ToList(); 

 var tab3 = x.Read().ToList(); 

 result = tab1; 

 result.Table2 = tab2; 

 result.Table3 = tab3; 

 } 

 catch (Exception ex) { } 

 return result; 

 }