im getting "connection is not open" error when i tried to upgrade the nuget package of Npgsql from 2.2.7 to 5.0.3, i even updated the Npgsql.entityFramework 2.2.7 tp Npgsql.entityframework6 6.4.1. Could anyone there tell what are things i need to check and what im missing out when i upgrade the nuget package, i been googling but couldnt find any solution. appreciate someone out ther can help with this issue im facing,
connection string :
Server=103.215.136.90;Database=myDataBase;Port=5432;Userid=postgres;Password=paysys1;Pooling=true;Protocol=3;Timeout=60;CommandTimeout=60;MinPoolSize=2;MaxPoolSize=60;config:
<dependentAssembly><assemblyIdentity name="System.ValueTuple" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" /><bindingRedirect oldVersion="0.0.0.0-4.0.3.0" newVersion="4.0.3.0" /></dependentAssembly><dependentAssembly><assemblyIdentity name="Npgsql" publicKeyToken="5d8b90d52f46fda7" culture="neutral" /><bindingRedirect oldVersion="0.0.0.0-5.0.3.0" newVersion="5.0.3.0" /></dependentAssembly></assemblyBinding></runtime><entityFramework><providers><provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" /><provider invariantName="Npgsql" type="Npgsql.NpgsqlServices, Npgsql.EntityFramework" /></providers><defaultConnectionFactory type="Npgsql.NpgsqlConnectionFactory, EntityFramework6.Npgsql" /></entityFramework>Code:
public bool GetRawFile(string Family, string Acquirer, string TID, ref string Raw_Data) { bool lb_rtn = false; try { using (NpgsqlConnection cn = new NpgsqlConnection(conn)) { NpgsqlCommand cmd = new NpgsqlCommand(); cmd.Connection = cn; cmd.CommandText = "select data.\"sp_Generate_Raw_Data_For_Download\"(@P1,@P2,@P3);"; cmd.Parameters.AddWithValue("@P1", Family); cmd.Parameters.AddWithValue("@P2", Acquirer); cmd.Parameters.AddWithValue("@P3", TID); //this will help to switch between databases if (cn.Database == SettingsParam.DataDB_Name) cn.Open(); else cn.ChangeDatabase(SettingsParam.DataDB_Name); //this will change current database var rtn_data = cmd.ExecuteScalar(); cn.Close(); Raw_Data = rtn_data.ToString(); if (Raw_Data != null) { if (Raw_Data != "") { lb_rtn = true; } } } } catch (Exception ex) { redirect.ErrorLog(ex.Message); } return lb_rtn; }