More Database Form Functions with HTML - The showPreviousRow() Function
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The main role of this function is to show the previous row.
function showPreviousRow()
{
//add to recordset any data that might have been included in the controls
if (addMode == true)
{
addRowToRecordset();
//after adding, you must go out of the addMode, so reset the addMode variable
addMode = false;
makeReadOnlyInputControls();
//enable the buttons that were disabed in the add process
enableButtons('E1','D1','F1','So1');
}
//edit any row of the recordset that might have been edited at the form
if (editMode == true)
{
editRowToRecordset();
//after adding, you must go out of the editMode, so reset the editMode variable
editMode = false;
makeReadOnlyInputControls();
//enable the buttons, Edit, Delete, Clear, Find, Sort.
enableButtons('E1','D1','C1','F1','So1');
}
if (index > 0)
{
index-=1; //the previous index
for (j=0;j<6;j++)
{
//form the input text control ID
CID = "EI" + j;
//form the recordset ID
RID = "TD" + index + j;
document.getElementById(CID).value = document.getElementById(RID).innerHTML;
}
}
//show the data row number
document.getElementById('RowPosition').value = index + 1;
//disable the showFirstRow and showPreviousRow Buttons if index is 0
if (index == 0)
{
disableButtons('SFA1','SP1');
}
//enable the showNextRow and showLastRow Buttons if they were disabled
if (index < numberOfRows)
{
enableButtons('SN1','SL1');
}
}
Next: The showLastRow() Function >>
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