// ADD Record
private void buttonADD_Click(object sender, RoutedEventArgs e)
{
lwdom_LocType_Model ltMod = new lwdom_LocType_Model();
string strMsg = "";
// loads model with data from view
ltMod = LoadData_IntoModel();
// display message
labelStatus.Content = strMsg;
// add the record
if (ltMod.LocTypeDesc.Trim() != "")
{
strMsg = LTWkr.Add_LocType_Rec(ltMod);
}
else
{
strMsg = "ADD Canceled. No data entered.";
MessageBox.Show(strMsg, "Rate Name", MessageBoxButton.OK, MessageBoxImage.Information);
}
// display the message
labelStatus.Content = strMsg;
// list data
ListModelsInGrid();
ResetDisplayFields();
InitialButtonConfiguration();
}
// Method: Get List
public List<lwdom_LocType_Model> Get_LocType_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, LocTypeDesc " +
"FROM lwdom_LocType " +
"ORDER BY LocTypeDesc";
// create List
List<lwdom_LocType_Model> ltMod_List = new List<lwdom_LocType_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_LocType_Model ltMod = new lwdom_LocType_Model();
ltMod.ID = (reader[0] != DBNull.Value) ? (Int64)reader[0] : 0;
ltMod.LocTypeDesc = (reader[1] != DBNull.Value) ? (string)reader[1] : "";
// add Equipment to List
ltMod_List.Add(ltMod);
}
// close reader, close connection
reader.Close();
connection.Close();
strMsg = "List Complete.";
}
catch (Exception errMsg)
{
strMsg = errMsg.Message.ToString();
}
// return List
return ltMod_List;
}
// load data into the model
private lwdom_LocType_Model LoadData_IntoModel()
{
lwdom_LocType_Model ltMod = new lwdom_LocType_Model();
bool result = false;
Int64 intID = 0;
// read display fields load data
result = Int64.TryParse(lblID.Content.ToString(), out intID);
ltMod.ID = (result) ? intID : 0;
ltMod.LocTypeDesc = txtLocTypeDesc.Text.Trim();
// return model
return ltMod;
}
// Display data from grid
private void DisplayData(lwdom_LocType_Model ltMod)
{
lblID.Content = ltMod.ID;
txtLocTypeDesc.Text = ltMod.LocTypeDesc;
}
// Method: get record data based on id
public lwdom_LocType_Model Get_SpecificLocType_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, LocTypeDesc " +
"FROM lwdom_LocType " +
"WHERE ID=@ID";
// SqlCommand
SqlCommand command = new SqlCommand(sqlStatement, connection);
// Create object base on LW LocType Model (ltMod)
lwdom_LocType_Model ltMod = new lwdom_LocType_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())
{
ltMod.ID = (reader[0] != DBNull.Value) ? (Int64)reader[0] : 0;
ltMod.LocTypeDesc = (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 ltMod;
}
// Method: update record
public string Update_LocType_rec(lwdom_LocType_Model ltMod)
{
// 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_LocType " +
"SET LocTypeDesc=@LocTypeDesc " +
"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("@LocTypeDesc", ltMod.LocTypeDesc);
//
command.Parameters.AddWithValue("@ID", ltMod.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_LocType_Rec(lwdom_LocType_Model ltMod)
{
// 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_LocType (LocTypeDesc) " +
"VALUES (@LocTypeDesc)";
// SqlCommand
SqlCommand command = new SqlCommand(sqlStatement, connection);
try
{
connection.Open();
// Adding parameters for the Insert Command
command.Parameters.AddWithValue("@LocTypeDesc", ltMod.LocTypeDesc);
command.ExecuteNonQuery();
strMsg = "Record was added.";
}
catch (Exception e)
{
strMsg = e.Message.ToString();
}
connection.Close();
return strMsg;
}
