private void BuildHeaders()
{
if (ValidationLogic.NoItemSelected(LbxSheetNames))
{
ErrorActions.NoSheetSelected();
}
else
{
// set the specific sheet by using the selected sheet name from the list box control.
string sheetWithData = LbxSheetNames.SelectedItem.ToString();
ExcelThread.Worksheet = ExcelThread.Worksheets[sheetWithData];
if (ValidationLogic.NoColumnsFound(ExcelThread.Worksheet))
{
ErrorActions.NoColumnsFound();
}
else
{
// Determine the number of columns within the sheet that are actually holding values
ExcelThread.DataSet = ExcelThread.Worksheet.UsedRange;
int colCount = ExcelThread.DataSet.Columns.Count;
/* the following two lines are required to ensure if the user changes the value
* of their answer for if headers are included and re-clicks the button the
* list box control does not 'grow' with the new selection. In addition columns
* to be used in the Aging process are selected by index, therefore the order of
* the list box controls must not be sorted. ORDER MATTERS!!!! */
LbxDataToAge.Items.Clear();
LbxDatesToAgeBy.Items.Clear();
/* if headers exist loop through all columns and add the value of the first
* row into two list box controls, what to age and what to age by. */
if (RbtHeadYes.Checked)
{
for (int i = 1; i <= colCount; i++)
{
Microsoft.Office.Interop.Excel.Range cellValue = ExcelThread.DataSet.Cells[1, i];
LbxDatesToAgeBy.Items.Add(cellValue.Value.ToString());
LbxDataToAge.Items.Add(cellValue.Value.ToString());
}
// make the next stage of the process/application visible.
GrpColumnAndAging.Visible = true;
}
/* if no headers exist add 'Column X' where X represents the column number,
* into two list box controls, what to age and what to age by. */
else if (RbtHeadNo.Checked)
{
for (int i = 1; i <= colCount; i++)
{
string columnNumber = "Column " + i.ToString();
LbxDatesToAgeBy.Items.Add(columnNumber);
LbxDataToAge.Items.Add(columnNumber);
}
// make the next stage of the process/application visible.
GrpColumnAndAging.Visible = true;
}
else
{
ErrorActions.HeaderNotAnswered();
}
}
}
}
