jreuss/JRCookbook
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Initial population

Browse Source
This commit is contained in:
Jon
2026-03-07 19:22:22 -06:00
parent 647f55feb9
commit cae1a3ec46
108 changed files with 28484 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

171
JRCookbookBusiness/clsDatabaseLayerBase.cs Normal file
View File

@@ -0,0 +1,171 @@
using System;
using System.Diagnostics;
using System.Data;
using System.Data.OleDb;
using JRCookbookBusiness;
public class clsDatabaseLayerBase : IDisposable
{
private OleDbConnection m_dbcnctConnection;
private bool disposedValue;
//public static String DockerHostMachineIpAddress => Dns.GetHostAddresses(new Uri("http://host.docker.internal").Host)[0].ToString();
protected bool OpenDatabaseConnection()
{
try
{
if (m_dbcnctConnection != null)
return true;
m_dbcnctConnection = new OleDbConnection();
// m_dbcnctConnection.ConnectionString = "Persist Security Info=False;Integrated Security=SSPI;database=OrganLit;server=REUSS\SQLEXPRESS;Connect Timeout=30"
// m_dbcnctConnection.ConnectionString = "Persist Security Info=False;Integrated Security=False;User ID=OrganLitDBLogin;Password=OrganLitDBL0gin7;database=OrganLit;server=SIRJON\\REUSSSQL;Connect Timeout=30"
//m_dbcnctConnection.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data source=\"" + "C:\\ReussData\\lc50.mdb" + "\"";
m_dbcnctConnection.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\\ReussData\\lc50.mdb";
//m_dbcnctConnection.ConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data source=" + "C:\\ReussData\\lc50.mdb";
//m_dbcnctConnection.ConnectionString = "Driver={Microsoft Access Driver (*.mdb, *.accdb)}; Dbq=C:/ReussData/lc50.mdb; Uid = Admin; Pwd =; ";
//m_dbcnctConnection.ConnectionString = "Driver={Microsoft Access Driver (*.mdb, *.accdb)}; Dbq=C:/ReussData/lc50.mdb;";
// m_dbcnctConnection.ConnectionString = "Data Source=tcp:bu7zkus8nd.database.windows.net,1433;Initial Catalog=OrganLitDB;User Id=OrganLitDBUser@bu7zkus8nd;Password=ILamfi0gAdm;";
m_dbcnctConnection.Open();
return true;
}
catch (OleDbException e)
{
m_dbcnctConnection = null;
Debug.Print("Error in OpenDatabaseConnection: " + e.Message);
//return false;
throw;
}
catch (Exception e)
{
m_dbcnctConnection = null;
Debug.Print("Error in OpenDatabaseConnection: " + e.Message);
//return false;
throw;
}
}
protected bool CloseDatabaseConnection()
{
try
{
if (m_dbcnctConnection != null)
{
m_dbcnctConnection.Close();
m_dbcnctConnection.Dispose();
m_dbcnctConnection = null;
}
return true;
}
catch (OleDbException e)
{
Debug.Print("Error in CloseDatabaseConnection: " + e.Message);
return false;
}
catch (Exception e)
{
Debug.Print("Error in CloseDatabaseConnection: " + e.Message);
return false;
}
}
protected DataSet ExecuteDataSet(OleDbCommand objOleDbCommand)
{
try
{
if (OpenDatabaseConnection() == false)
throw new ApplicationException("Database not opened");
objOleDbCommand.Connection = m_dbcnctConnection;
OleDbDataAdapter ldbdaDataAdapter = new OleDbDataAdapter();
ldbdaDataAdapter.SelectCommand = objOleDbCommand;
DataSet ldbdsDataSet = new DataSet();
ldbdaDataAdapter.Fill(ldbdsDataSet);
return ldbdsDataSet;
}
catch (OleDbException e)
{
//Debug.Print("Error in ExecuteDataSet: Procedure=" + e.Procedure + Constants.CRLF + "Error=" + e.Message);
Debug.Print("Error in ExecuteDataSet: Error=" + e.Message);
//return null/* TODO Change to default(_) if this is not a reference type */;
throw;
}
catch (Exception e)
{
Debug.Print("Error in ExecuteDataSet: " + e.Message);
//return null/* TODO Change to default(_) if this is not a reference type */;
throw;
}
//finally
//{
// if (m_dbcnctConnection != null)
// {
// m_dbcnctConnection.Dispose();
// m_dbcnctConnection = null;
// }
//}
}
protected Int32 ExecuteNonQuery(OleDbCommand objOleDbCommand)
{
// Returns rows affected
try
{
if (OpenDatabaseConnection() == false)
throw new ApplicationException("Database not opened");
objOleDbCommand.Connection = m_dbcnctConnection;
Int32 lintRowsAffected = objOleDbCommand.ExecuteNonQuery();
return lintRowsAffected;
}
catch (OleDbException e)
{
//Debug.Print("Error in ExecuteNonQuery: Procedure=" + e.Procedure + Constants.CRLF + "Error=" + e.Message);
Debug.Print("Error in ExecuteNonQuery: Error=" + e.Message);
//return 0;
throw;
}
catch (Exception e)
{
Debug.Print("Error in ExecuteNonQuery: " + e.Message);
//return 0;
throw;
}
}
protected virtual void Dispose(bool disposing)
{
if (!disposedValue)
{
if (disposing)
{
// TODO: dispose managed state (managed objects)
if (m_dbcnctConnection != null)
{
m_dbcnctConnection.Dispose();
m_dbcnctConnection = null;
}
}
// TODO: free unmanaged resources (unmanaged objects) and override finalizer
// TODO: set large fields to null
disposedValue = true;
}
}
// // TODO: override finalizer only if 'Dispose(bool disposing)' has code to free unmanaged resources
// ~clsDatabaseLayerBase()
// {
// // Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
// Dispose(disposing: false);
// }
void IDisposable.Dispose()
{
// Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
Dispose(disposing: true);
GC.SuppressFinalize(this);
}
}