private void Browse_Source()
{
// reset the status label
labelStatus.Text = "";
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
ExcelBibliographicReader read = new ExcelBibliographicReader();
List <string> tables;
try
{
// Set form controls to default state
ResetFormControls();
// Write the filename to the text box first
fileTextBox.Text = openFileDialog1.FileName;
filename = openFileDialog1.FileName;
// Try getting the worksheet names from the selected workbook
bool readFlag = true;
if ((true) || (filename.ToUpper().IndexOf(".XLS") > 0))
{
while (readFlag)
{
try
{
// Get the sheet names
read = new ExcelBibliographicReader();
tables = read.GetExcelSheetNames(openFileDialog1.FileName);
if (tables == null)
{
ResetFormControls();
return;
}
else
{
readFlag = false;
// Populate the combo box
sheetComboBox.Enabled = true;
foreach (string thisSheetName in tables)
{
sheetComboBox.Items.Add(thisSheetName);
}
sheetComboBox.Enabled = true;
sheetLabel.ForeColor = SystemColors.WindowText;
// show step 2 instructions
show_step_2();
}
}
catch (Exception ex)
{
ErrorMessageBox.Show(ex.Message, "Unexpected Error", ex);
}
}
}
else
{
// show step 2 instructions
show_step_2();
sheetComboBox.Items.Clear();
sheetComboBox.Enabled = false;
sheetLabel.ForeColor = SystemColors.GrayText;
}
}
catch (Exception ex)
{
ErrorMessageBox.Show(ex.Message, "Unexpected Error", ex);
}
finally
{
// Close the reader
read.Close();
}
}
else
{
// reset the form
ResetFormControls();
// Move to STEP 1
show_step_1();
}
}
private void sheetComboBox_SelectedIndexChanged(object sender, EventArgs e)
{
ExcelBibliographicReader read = new ExcelBibliographicReader();
try
{
// Make sure there is a filename and a sheet name
if ((fileTextBox.Text.Length > 0) && (sheetComboBox.SelectedIndex >= 0))
{
// reset the status label
labelStatus.Text = "";
read.Sheet = sheetComboBox.Text;
read.Filename = fileTextBox.Text;
// Declare constant fields
Constant_Fields constants = new Constant_Fields();
columnNamePanel.Controls.Clear();
column_map_inputs.Clear();
columnNamePanel.Enabled = true;
pnlConstants.Enabled = true;
// Display an hourglass cursor:
Cursor = Cursors.WaitCursor;
// Try reading data from the selected Excel Worksheet
bool readFlag = true;
while (readFlag)
{
try
{
if (!read.Check_Source())
{
ResetFormControls();
return;
}
else
{
readFlag = false;
}
}
catch (Exception ex)
{
ErrorMessageBox.Show(ex.Message, "Unexpected Error", ex);
}
}
// change cursor back to default
Cursor = Cursors.Default;
excelDataTbl = read.excelData;
if (read.excelData.Rows.Count > 0 || read.excelData.Columns.Count > 0)
{
int column_counter = 1;
foreach (DataColumn thisColumn in excelDataTbl.Columns)
{
// Create the column mapping custom control
Column_Assignment_Control thisColControl = new Column_Assignment_Control();
// Get the column name
string thisColumnName = thisColumn.ColumnName;
thisColControl.Column_Name = thisColumnName;
if (thisColumnName == "F" + column_counter)
{
thisColControl.Empty = true;
}
thisColControl.Location = new Point(10, 10 + ((column_counter - 1) * 30));
columnNamePanel.Controls.Add(thisColControl);
column_map_inputs.Add(thisColControl);
// Select value in list control that matches to a Column Name
thisColControl.Select_List_Item(thisColumnName);
// Increment for the next column
column_counter++;
}
// Move to STEP 3
show_step_3();
if (column_map_inputs.Count > 0)
{
// Move to STEP 4
show_step_4();
}
}
// Close the reader
read.Close();
}
}
catch (Exception ex)
{
ErrorMessageBox.Show(ex.Message, "Unexpected Error", ex);
}
finally
{
// change cursor back to default
Cursor = Cursors.Default;
// Close the reader
read.Close();
}
}
