如何确定哪个单选按钮在网格视图行中对amomg 4 radiobutton进行了查询 [英] how to determine which radiobutton is chaked amomg 4 radiobutton in a gridview row

问题描述

我有网格，并且每行有4个radiobutton.i最初设置了第一行的第一个收音机被检查=真，其余3假。

现在问题是我无法确定在代码中，从gridview的每一行检查无线电。每次在代码中显示第一个收音机被检查。我得到错误的值



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i have grid and in each row there are 4 radiobutton.i have initially set the first radio of a row is checked=true and rest 3 false.
now the problem is i can not determine in code that which radio is checked from each row of the gridview. every time in code it is showing that first radio is checked.thus i am gettin the wrong value

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<table width="100%">
                                        <tr>
                                            <td>
                                                <asp:UpdatePanel ID="UpdatePanel11" runat="server">
                                                    <ContentTemplate>
                                                        <asp:GridView ID="dgvAttandance" runat="server" AutoGenerateColumns="false" DataKeyNames="StffId"

                                                            Width="100%" CssClass="style5">
                                                            <Columns>
                                                                <asp:TemplateField HeaderText="Stff Id" HeaderStyle-HorizontalAlign="Center">
                                                                    <ItemTemplate>
                                                                        <asp:Label ID="lblStffId" runat="server" Text='<%# Bind("StffId")%>'></asp:Label>
                                                                    </ItemTemplate>
                                                                </asp:TemplateField>
                                                                <asp:TemplateField HeaderText="Name" HeaderStyle-HorizontalAlign="Center">
                                                                    <ItemTemplate>
                                                                        <asp:Label ID="lblName" runat="server" Text='<%# Bind("Name")%>'></asp:Label>
                                                                    </ItemTemplate>
                                                                </asp:TemplateField>
                                                                <asp:TemplateField HeaderText="Date Time" HeaderStyle-HorizontalAlign="Center">
                                                                    <ItemTemplate>
                                                                        <asp:Label ID="lblDT" runat="server" Text='<%# Bind("DT")%>'></asp:Label>
                                                                    </ItemTemplate>
                                                                </asp:TemplateField>
                                                                <asp:TemplateField HeaderText="Attendance">
                                                                    <ItemTemplate>
                                                                        <asp:RadioButton ID="rdoP" Text="P" ForeColor="Green" Font-Bold="true" runat="server"

                                                                            Checked="true" GroupName="Att" />
                                                                         
                                                                        <asp:RadioButton ID="rdoA" Text="A" ForeColor="Blue" Font-Bold="true" runat="server"

                                                                            Checked="false" GroupName="Att" />
                                                                         
                                                                        <asp:RadioButton ID="rdoS" Text="S" ForeColor="Red" Font-Bold="true" runat="server"

                                                                            Checked="false" GroupName="Att" />
                                                                         
                                                                        <asp:RadioButton ID="rdoH" Text="H" ForeColor="Orange" Font-Bold="true" runat="server"

                                                                            Checked="false" GroupName="Att" />
                                                                    </ItemTemplate>
                                                                </asp:TemplateField>
                                                            </Columns>
                                                        </asp:GridView>
                                                    </ContentTemplate>
                                                </asp:UpdatePanel>
                                            </td>
                                        </tr>
                                    </table>

--------------------- ------------------

---------------------------------------

for (int index = 0; index <= dgvAttandance.Rows.Count - 1; index++)
           {
               char stat = new char();
               RadioButton P = (RadioButton)dgvAttandance.Rows[index].FindControl("rdoP");
               RadioButton A = (RadioButton)dgvAttandance.Rows[index].FindControl("rdoA");
               RadioButton S = (RadioButton)dgvAttandance.Rows[index].FindControl("rdoS");
               RadioButton H = (RadioButton)dgvAttandance.Rows[index].FindControl("rdoH");
               if (P.Checked)
               {
                   stat = Convert.ToChar("P");
               }
               else if (A.Checked)
               {
                   stat = Convert.ToChar("A");
               }
               else if (S.Checked)
               {
                   stat = Convert.ToChar("S");
               }
               else if (H.Checked)
               {
                   stat = Convert.ToChar("H");
               }

               DT.Rows.Add(((Label)dgvAttandance.Rows[index].FindControl("lblStffId")).Text, ((Label)dgvAttandance.Rows[index].FindControl("lblName")).Text, stat);
           }

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