Controls - Do you include a "select all" checkBox on the top?

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Do you have checkbox (on the top) that let users select or unselect all checkboxes underneath it? If you have a list of checkboxes, you are going to frustrate users unless you provide an easy way to select all. The best way to achieve this is to have a checkbox at the top.

✅ Figure: Good Example - Hotmail does this

Figure: Google have done it a different way to provide multiple methods (All, All Read, All Unread, All Starred, and All Unstarred)

❌ Figure: Bad Example - SQL Auditor - No CheckBox for users to perform a "select all"

✅ Figure: Good Example - SQL Auditor - CheckBox at the top of the column

Figure: Selecting all does this - selects all

Figure: Deselecting all does this - selects none

Figure: Selecting some should show the Indeterminate check state - aka customized selection

Private Sub CheckBoxSelectAll\_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) \_
Handles CheckBoxSelectAll.CheckedChanged
'Select checkbox in each row
For Each sDataGridViewRow As DataGridViewRow In Me.DataGridViewCustomer.Rows
sDataGridViewRow.Cells(0).Value = Me.CheckBoxSelectAll.Checked
Next
End Sub

Code: Code for selecting all checkboxes in a windows form

Figure: Select all checkboxes in a web form

&lt;script type="text/javascript"&gt;
function SeleteCheckBox()
{
for (var n=0; n &lt; document.form1.elements.length; n++)
{
if (document.form1.elements[n].type == "checkbox" && document.form1.elements[n].name == "gridview")
{
document.form1.elements[n].checked = document.getElementById("CheckBoxAll").checked;
}
}
}
&lt;/script&gt;

Code: Code for selecting all checkboxes in a web form We have suggestions for Visual Studio .NET about this at A top CheckBox to "select all" in windows forms and A top CheckBox to "select all" in web forms.

Controls - Do you include a "select all" checkBox on the top?

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