asp grid with multiple check box select all

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I have grid with two item templates

template1 with header [select all] check box
and item template consists of check boxes

template2 with header [select all2] check box
and item template consists of check boxes2

i need a java script

when i select [select all] check box it needs to select all check boxs in that item template
and when i select [select all2] check box it needs to select all check boxs in that item template2

thank q

Posted 11-May-13 1:32am

siva575

Updated 11-May-13 2:51am

v7

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Comments

Bikash Prakash Dash 11-May-13 7:58am

Please make it clear what you want ?

2 solutions

Solution 1

here is a sample i've used check it and modify as per your requirement

XML

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
            DataKeyNames="empid" DataSourceID="ObjectDataSource1">

            <Columns>

                <asp:TemplateField HeaderText="empid" SortExpression="empid">
                    <EditItemTemplate>
                        <asp:Label ID="Label1" runat="server" Text='<%# Eval("empid") %>'></asp:Label>
                    </EditItemTemplate>
                    <HeaderTemplate>
                        <asp:CheckBox ID="CheckBox1" runat="server" AutoPostBack="True"
                            oncheckedchanged="CheckBox1_CheckedChanged" />
                    </HeaderTemplate>
                    <ItemTemplate>
                        <asp:CheckBox ID="CheckBox2" runat="server" Text='<%# Eval("empid") %>' />
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:TemplateField HeaderText="empname" SortExpression="empname">
                    <EditItemTemplate>
                        <asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("empname") %>'></asp:TextBox>
                    </EditItemTemplate>
                    <HeaderTemplate>
                        <asp:CheckBox ID="CheckBox4" runat="server" AutoPostBack="True"
                            oncheckedchanged="CheckBox4_CheckedChanged" />
                    </HeaderTemplate>
                    <ItemTemplate>
                        <asp:CheckBox ID="CheckBox3" runat="server" Text='<%# Eval("empname") %>' />
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:BoundField DataField="age" HeaderText="age" SortExpression="age" />
            </Columns>
        </asp:GridView>

C# code for that

C#

protected void CheckBox1_CheckedChanged(object sender, EventArgs e)
   {
       CheckBox cb1selall = GridView1.HeaderRow.FindControl("CheckBox1") as CheckBox;
       for (int i = 0; i < GridView1.Rows.Count; i++)
       {
           CheckBox cb1 = GridView1.Rows[i].FindControl("CheckBox2") as CheckBox;
           if (cb1selall.Checked)
           {
               cb1.Checked = true;
           }
           else
           {
               cb1.Checked = false;
           }

       }
   }
   protected void CheckBox4_CheckedChanged(object sender, EventArgs e)
   {
       CheckBox cb2selall = GridView1.HeaderRow.FindControl("CheckBox4") as CheckBox;
       for (int i = 0; i < GridView1.Rows.Count; i++)
       {
           CheckBox cb1 = GridView1.Rows[i].FindControl("CheckBox3") as CheckBox;
           if (cb2selall.Checked)
           {
               cb1.Checked = true;
           }
           else
           {
               cb1.Checked = false;
           }

       }
   }

Posted 11-May-13 3:39am

Bikash Prakash Dash

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siva575 · Accepted Answer · 2013-05-21T01:40:00

<asp:gridview id="grid" runat="server" xmlns:asp="#unknown">
<columns> <asp:templatefield>
<headertemplate>
<asp:checkbox id="OneCheckBoxAll" runat="server" text="[Check All] Previously Assigned">
onclick="checkAll('oneCheckBox',this);" />
</headertemplate>
<itemtemplate>

<asp:checkbox id="oneCheckBox" runat="server" text="<%#Eval("one")%>" />

<asp:templatefield>
<headertemplate>
<asp:checkbox id="TwoCheckBoxAll" runat="server" text="[Check All] Currently Assigned">
onclick="checkAll('TwoCheckBox',this);" />
</headertemplate>
<itemtemplate>

<asp:checkbox id="TwoCheckBox" runat="server" text="<%#Eval("two")%>" />

above is grid with multiple checkboxes

javascript is

<script type="text/javascript">
function checkAll(fieldsname,field)
{
var n=aspnetForm.elements.length;
for (var i=0;i<n;i++)>
{
if (aspnetForm.elements[i].id.indexOf(fieldsname) !=-1)
{
aspnetForm.elements[i].checked = field.checked;
}
}
}
</script>