This code sum all cells in column Должи. I want to sum only checked cells with checkbox. How to do that?

Question

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C#

int productsum = 0;
    public string CalTotal(int total)
    {
           productsum += total;
           return total.ToString();
    }
    public string GetSum()
    {
        return productsum.ToString();
    }

Aspx code for GridView1 with checkbox. I want to get only checked cells and pass it to another page

XML

<asp:GridView ID="GridView1" ShowFooter="true" OnRowDataBound="GridView1_RowDataBound" runat="server" AutoGenerateColumns="False" DataKeyNames="korisnikID" DataSourceID="SqlDataSource1" Height="320px" Width="763px" CellPadding="4" Font-Names="Calibri" ForeColor="#333333" HorizontalAlign="Center" font-size="Medium" GridLines="None" CssClass="auto-style9" >

      
        <Columns>
            <asp:BoundField DataField="fakturaID" HeaderText="Број на сметка" InsertVisible="true" ReadOnly="True" SortExpression="fakturaID" HeaderStyle-Width="100px"/>

            <asp:BoundField DataField="korisnikID" HeaderText="korisnikID" SortExpression="korisnikID" Visible="False" />
            <asp:BoundField DataField="ЗаПериод" HeaderText="За период" SortExpression="ЗаПериод" DataFormatString="{0:dd-MMM-yyyy}" HeaderStyle-Width="100px"/>


          <asp:TemplateField HeaderText="Износ" HeaderStyle-Width="100px">
              <ItemTemplate>
<asp:Label ID="lbliznos" runat="server" Text='<%# Eval("Износ")%>'/>
              </ItemTemplate>
          </asp:TemplateField>

            <asp:BoundField DataField="ДатумНаПлаќање" HeaderText="Датум на плаќање" SortExpression="ДатумНаПлаќање"  DataFormatString="{0:dd-MMM-yyyy}" HeaderStyle-Width="100px" />
                 <asp:TemplateField HeaderText="Побарува" HeaderStyle-Width="100px">
<ItemTemplate>
<asp:Label ID="lblpobaruva" runat="server" Text='<%# Eval("Побарува")%>'/>
</ItemTemplate>



                 <FooterTemplate>
                <asp:Label ID="Label2" runat="server" Text="Вкупно сума за плаќање"></asp:Label>
            </FooterTemplate>

                 </asp:TemplateField>

        <asp:TemplateField HeaderText="Должи" HeaderStyle-Width="100px">
<ItemTemplate>
<asp:Label ID="lblListPrice" runat="server" Text='<%#CalTotal(int.Parse(Eval("Должи").ToString()))%>'/>
</ItemTemplate>

            <FooterTemplate>
                <asp:Label ID="lblTotal" runat="server" Text='<%# GetSum() %>'/>
            </FooterTemplate>
        </asp:TemplateField>
             <asp:TemplateField HeaderText="Означи за плаќање">
                <ItemTemplate>
                    <asp:CheckBox ID="CheckBox1"  runat="server"  onclick="javascript: DisableButton()"/>

                </ItemTemplate>
            </asp:TemplateField>
        </Columns>

Posted 27-Apr-14 22:42pm

R.Elena

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Laiju k 28-Apr-14 5:08am

are you asking .cs code or javascript code

R.Elena 28-Apr-14 5:10am

.cs code

1 solution

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Laiju k · Answer 1 · 2014-04-27T23:23:00

Solution 1

C#

int count = gvPurchaseEntry.Rows.Count;
for (i = 0; i < count; i++)
   {
   CheckBox chk= (CheckBox )gvPurchaseEntry.Rows[i].FindControl("CheckBox1");
   if(chk.Checked==true)
   {
      your code
   }
}

Posted 27-Apr-14 23:23pm

Laiju k

Updated 29-Apr-14 20:07pm

v2

Comments

R.Elena 28-Apr-14 5:27am

Error message : CallTotal(int) : not all code paths return a value

Laiju k 29-Apr-14 2:45am

int productsum = 0; intialise the productsum before the for loop
and use this inside loop productsum += total;

then productsum will be your output

R.Elena 29-Apr-14 6:59am

Ok thanks !