checkboxlist in asp.net Datagrid

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Hi All

I have datagrid not gridview in asp.net, which has columns one of them is check box column. I need check box behave like radio button i mean i could check only single check box in datagrid rows. Can anybody help me.

some body recommend me to use checkboxlist.

please help me.

Thanks in advance.

Posted 9-Oct-11 21:07pm

Sachin__Sharma

Updated 9-Oct-11 21:09pm

v2

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Sunasara Imdadhusen 10-Oct-11 9:38am

please provide snippet of code!

Tejas Vaishnav 11-Oct-11 1:04am

You need to provide some code as well as your design fro data grid "not gridview"

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Vimalrashamra · Answer 1 · 2011-10-12T22:15:00

private void Page_Load(object sender, System.EventArgs e)
{
    cnnDB = new SqlConnection("server=HOME;user id=sa;password=;database=Contacts");
    if (!IsPostBack)
        bindGrid();
}
private void bindGrid()
{
    SqlDataAdapter da = new SqlDataAdapter("select * from Anz_Contacts",cnnDB);
    DataSet ds = new DataSet();
    da.Fill(ds, "Employees");
    myDataGrid.DataSource=ds.Tables["Employees"].DefaultView;
    myDataGrid.DataBind();
}

XML

<form id="Form1" name="Form1" method="post" runat="server">
<ASP:DATAGRID id="myDataGrid"
runat="server"
AutoGenerateColumns="false"
HeaderStyle-BackColor="#aaaadd"
Font-Size="8pt"
Font-Name="Verdana"
CellSpacing="0"
CellPadding="3"
ShowFooter="true"
BorderColor="Black"
BackColor="AntiqueWhite"
Width="600">
       <HeaderStyle BackColor="NavajoWhite"></HeaderStyle>
       <FooterStyle BackColor="NavajoWhite"></FooterStyle>
       <Columns>
              <asp:TemplateColumn HeaderText="contract">
                     <HeaderTemplate>
       <input type="checkbox" id="checkAll"
 onclick="CheckAll(this);" runat="server" name="checkAll">
                     </HeaderTemplate>
                     <ItemTemplate>
                           <input type="checkbox" runat="server" id="EmpId"
 onclick="CheckChanged();" checked='false' name="EmpId" />
                     </ItemTemplate>
                           </asp:TemplateColumn>
              <asp:TemplateColumn HeaderText="Id">
                     <ItemTemplate>
                           <asp:Label id="Id" Text='<%#
DataBinder.Eval(Container.DataItem, "Id") %>' runat="server" />
                     </ItemTemplate>
              </asp:TemplateColumn>
              <asp:BoundColumn DataField="FirstName"
       HeaderText="FirstName"></asp:BoundColumn>
              <asp:BoundColumn DataField="LastName"
HeaderText="LastName"></asp:BoundColumn>
              <asp:BoundColumn DataField="Designation"
HeaderText="Designation"></asp:BoundColumn>
       </Columns>
</ASP:DATAGRID>
</form >

Script to create table in SQL is as :

SQL

CREATE TABLE [dbo].[Anz_Contacts] (
       [Id] [int] IDENTITY (1, 1) NOT NULL ,
       [FirstName] [char] (10)  NULL ,
       [LastName] [char] (10)  NULL ,
       [Designation] [varchar] (50)  NULL       
) ON [PRIMARY]
GO
ALTER TABLE [dbo].[Anz_Contacts] WITH NOCHECK ADD 
       CONSTRAINT [PK_Anz_Contacts] PRIMARY KEY  CLUSTERED 
       (
              [Id]
       )  ON [PRIMARY] 
GO

Anuja Pawar Indore · Answer 2 · 2011-10-12T22:28:00

Try this js function

C#

function CheckOne(obj)
    {
        var dtgrid = obj.parentNode.parentNode.parentNode;
        var inputs = dtgrid.getElementsByTagName("input");
        for(var i=0;i<inputs.length;i++)
        {
            if (inputs[i].type =="checkbox")
            {
                if(obj.checked && inputs[i] != obj && inputs[i].checked)
                {
                    inputs[i].checked = false;
                }
            }
        }
    }

<asp:CheckBox ID="CheckBox4" runat="server" onclick ="CheckOne(this)" />

I.explore.code · Answer 3 · 2011-10-12T22:44:00

Solution 3

What stops you from using a Radiobutton then? :) I guess when there is a control that works like you need it to, i don't see any reason why would one want to use something else that is designed to work in a different way..

Cheers...

Posted 12-Oct-11 22:44pm

I.explore.code

checkboxlist in asp.net Datagrid

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