// Method: Get List
public List<lwdom_LocCat_Model> Get_LocCat_List()
{
// building the connection string
// get the provider, activeStatus database name, and path
connectionString = PSWkr.G_SQLDatabaseConnectionString;
string strMsg = "";
// create needed objects
SqlConnection connection;
// building sql command, chemcode is the Key
string sqlStatement = "SELECT ID, LocCatDesc " +
"FROM lwdom_LocCat " +
"ORDER BY LocCatDesc";
// create List
List<lwdom_LocCat_Model> lcMod_List = new List<lwdom_LocCat_Model>();
try
{
connection = new SqlConnection(connectionString);
connection.Open();
SqlCommand command = new SqlCommand(sqlStatement, connection);
SqlDataReader reader = command.ExecuteReader();
// read table, populate model
while (reader.Read())
{
lwdom_LocCat_Model lcMod = new lwdom_LocCat_Model();
lcMod.ID = (reader[0] != DBNull.Value) ? (Int64)reader[0] : 0;
lcMod.LocCatDesc = (reader[1] != DBNull.Value) ? (string)reader[1] : "";
// add Equipment to List
lcMod_List.Add(lcMod);
}
// close reader, close connection
reader.Close();
connection.Close();
strMsg = "List Complete.";
}
catch (Exception errMsg)
{
strMsg = errMsg.Message.ToString();
}
// return List
return lcMod_List;
}
// UPDATE Record
private void buttonUpdate_Click(object sender, RoutedEventArgs e)
{
lwdom_LocCat_Model lcMod = new lwdom_LocCat_Model();
string strMsg = "";
// load data
lcMod = LoadDataForUpdate();
// Update the record
strMsg = LCWkr.Update_LocCat_rec(lcMod);
// display message
labelStatus.Content = strMsg;
ListModelsInGrid();
ResetDisplayFields();
InitialButtonConfiguration();
}
// Display data from grid
private void DisplayData(lwdom_LocCat_Model lcMod)
{
lblID.Content = lcMod.ID;
txtLocCatDesc.Text = lcMod.LocCatDesc;
}
// load data for update
private lwdom_LocCat_Model LoadDataForUpdate()
{
lwdom_LocCat_Model lcMod = new lwdom_LocCat_Model();
bool result = false;
Int64 iNum = 0;
// try Parse
result = Int64.TryParse(lblID.Content.ToString(), out iNum);
lcMod.ID = (result) ? iNum : 0;
lcMod.LocCatDesc = txtLocCatDesc.Text.Trim();
// return model
return lcMod;
}
// Method: get record data based on id
public lwdom_LocCat_Model Get_SpecificLocCat_Record(int recID)
{
string strMsg = "";
// get the connection string
connectionString = PSWkr.G_SQLDatabaseConnectionString;
// create connection object
SqlConnection connection = new SqlConnection(connectionString);
// building sql command
string sqlStatement = "SELECT ID, LocCatDesc " +
"FROM lwdom_LocCat " +
"WHERE ID=@ID";
// SqlCommand
SqlCommand command = new SqlCommand(sqlStatement, connection);
// Create object base on LW LocCat Model (lcMod)
lwdom_LocCat_Model lcMod = new lwdom_LocCat_Model();
try
{
// open the connection
connection.Open();
command.Parameters.AddWithValue("@ID", recID);
// execute the reader
SqlDataReader reader = command.ExecuteReader();
// populate the invoice list
if (reader.Read())
{
lcMod.ID = (reader[0] != DBNull.Value) ? (Int64)reader[0] : 0;
lcMod.LocCatDesc = (reader[1] != DBNull.Value) ? (string)reader[1] : "";
}
// the close
reader.Close();
}
catch (Exception e)
{
strMsg = e.Message.ToString();
}
// the close
connection.Close();
// return the Model
return lcMod;
}
// Method: update record
public string Update_LocCat_rec(lwdom_LocCat_Model lcMod)
{
// Method: update selected Hours Master recore
// update the database
string strMsg = "";
// get the connection string
connectionString = PSWkr.G_SQLDatabaseConnectionString;
// create connection object
SqlConnection connection = new SqlConnection(connectionString);
// building sql command
string sqlStatement = "UPDATE lwdom_LocCat " +
"SET LocCatDesc=@LocCatDesc " +
"WHERE ID=@ID";
// SqlCommand
SqlCommand command = new SqlCommand(sqlStatement, connection);
try
{
// update the database
connection.Open();
// use of command.parameters... prevents sql injection
command.Parameters.AddWithValue("@LocCatDesc", lcMod.LocCatDesc);
//
command.Parameters.AddWithValue("@ID", lcMod.ID); // must be in the order of the sqlstatement
command.ExecuteNonQuery();
strMsg = "Record was updated.";
}
catch (Exception e)
{
strMsg = e.Message.ToString();
System.Windows.MessageBox.Show(strMsg, "", System.Windows.MessageBoxButton.OK, System.Windows.MessageBoxImage.Error);
}
connection.Close();
return strMsg;
}
// ADD
public string Add_LocCat_Rec(lwdom_LocCat_Model lcMod)
{
// Method: Create new record
// update the database
string strMsg = "";
// get the connection string
connectionString = PSWkr.G_SQLDatabaseConnectionString;
// create connection object
SqlConnection connection = new SqlConnection(connectionString);
// building sql command
string sqlStatement = "INSERT INTO lwdom_LocCat (LocCatDesc) " +
"VALUES (@LocCatDesc)";
// SqlCommand
SqlCommand command = new SqlCommand(sqlStatement, connection);
try
{
connection.Open();
// Adding parameters for the Insert Command
command.Parameters.AddWithValue("@LocCatDesc", lcMod.LocCatDesc);
command.ExecuteNonQuery();
strMsg = "Record was added.";
}
catch (Exception e)
{
strMsg = e.Message.ToString();
}
connection.Close();
return strMsg;
}
