private bool ValidateDgvAddServices()
{
if (dgvAddServices.Rows.Count == 1 && dgvAddServices.Rows[0].IsNewRow == true)
{
MessageBox.Show("Please add one or more services to the list.", this.Text, MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
return(false);
}
foreach (DataGridViewRow serviceRow in dgvAddServices.Rows)
{
if (serviceRow.IsNewRow == false)
{
// Service Title
object cellValue = serviceRow.Cells[0].Value;
if ((cellValue == null) || (cellValue.ToString().Trim() == String.Empty))
{
MessageBox.Show("Please provide a service title for row " + serviceRow.Index.ToString(),
this.Text, MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
return(false);
}
// Service URL
cellValue = serviceRow.Cells[1].Value;
if ((cellValue == null) || (cellValue.ToString().Trim() == String.Empty))
{
MessageBox.Show("Please provide a service URL for row " + serviceRow.Index.ToString(),
this.Text, MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
return(false);
}
// Trim the query off of the URL
string serviceUrl = cellValue.ToString().Trim();
try
{
serviceUrl = WebOperations.GetCanonicalUri(serviceUrl, true);
}
catch
{
MessageBox.Show("Please provide a service URL for row " + serviceRow.Index.ToString(),
this.Text, MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
return(false);
}
}
}
return(true);
}
/// <summary>
/// Searches for WaterOneFlow service info in a DataTable, and adds info about those services to the data grid view
/// </summary>
/// <param name="pathToFile">Path to CSV file</param>
/// <param name="e">Parameters from the BackgroundWorker</param>
/// <returns>Parameters (task type, output message, rows to add to view) to be processed by a BackgroundWorker event handler</returns>
private object[] AddServicesFromDataTable(string pathToFile, DoWorkEventArgs e)
{
// Build parameters to pass to the background worker
object[] parameters = new object[3];
parameters[0] = BackgroundWorkerTasks.AddServicesFromFile;
parameters[1] = "Operation cancelled";
// Read the CSV file into a DataTable
bgwMain.ReportProgress(0, "Opening file, please wait...");
DataTable dataTable = null;
try
{
dataTable = CsvFileParser.ParseFileToDataTable(pathToFile, true);
}
catch (Exception ex)
{
throw new Exception("Could not read file. " + ex.Message);
}
// Get the columns from the table
int colTitle = dataTable.Columns.IndexOf("Title");
int colUrl = dataTable.Columns.IndexOf("URL");
int colCode = dataTable.Columns.IndexOf("Code");
int colCitation = dataTable.Columns.IndexOf("Citation");
int colAbstract = dataTable.Columns.IndexOf("Abstract");
int colWebsite = dataTable.Columns.IndexOf("Website");
int colName = dataTable.Columns.IndexOf("Contact");
int colEmail = dataTable.Columns.IndexOf("Email");
if (colUrl == -1)
{
throw new Exception("URL column not found in CSV file");
}
// Find items with an element providing the URL to a WaterOneFlow service
int totalSteps = dataTable.Rows.Count;
int currentStep = 0;
List <string[]> rowsToAdd = new List <string[]> ();
foreach (DataRow dataRow in dataTable.Rows)
{
// Update progress
if (bgwMain.CancellationPending)
{
e.Cancel = true;
return(parameters);
}
currentStep++;
bgwMain.ReportProgress(100 * currentStep / totalSteps, "Searching for WaterOneFlow service info: " + currentStep + " of " + totalSteps + "...");
// Build service info from the row
string title = "";
if (colTitle != -1)
{
title = dataRow[colTitle].ToString();
}
string url = "";
if (colUrl != -1)
{
url = dataRow[colUrl].ToString();
try
{
url = WebOperations.GetCanonicalUri(url, true);
}
catch
{
url = "";
}
}
string code = "";
if (colCode != -1)
{
code = dataRow[colCode].ToString();
}
string citation = "";
if (colCitation != -1)
{
citation = dataRow[colCitation].ToString();
}
string serviceAbstract = "";
if (colAbstract != -1)
{
serviceAbstract = dataRow[colAbstract].ToString();
}
string website = "";
if (colWebsite != -1)
{
website = dataRow[colWebsite].ToString();
}
string name = "";
if (colName != -1)
{
name = dataRow[colName].ToString();
}
string email = "";
if (colEmail != -1)
{
email = dataRow[colEmail].ToString();
}
// Create an item to add to the data grid view
if (url != String.Empty)
{
string[] row = { title, url, code, citation, serviceAbstract, website, name, email };
rowsToAdd.Add(row);
}
}
// Prepare a message to the user
string message = "";
int servicesAdded = rowsToAdd.Count;
if (servicesAdded == 0)
{
message = "No services found in file";
}
else if (servicesAdded == 1)
{
message = "1 service found in file";
}
else
{
message = servicesAdded.ToString() + " services found in file";
}
parameters[1] = message;
parameters[2] = rowsToAdd;
return(parameters);
}