true? binding arraylist to a gridview seems to be read only

[BeemerBiker]

I converted an arraylist to a dataset and bound the dataset to a gridview but I cannot change the value of the checkbox in the gridview. I identified the DataKeyNames and made sure that ReadOnly was false. For the CheckBoxField I bound it to prjused and the label template was bound to prjname. I need to be able to change only the prjused field.

the following gridview aspx

 <Columns>
                                                <asp:CheckBoxField HeaderText="Select" 
                                                DataField="prjused">
                                                <ControlStyle Width="50%" />
                                                <ItemStyle Width="50%" />
                                                </asp:CheckBoxField>
                                                <asp:TemplateField HeaderText="BOINC Project">
                                                    <ItemTemplate>
                                                        <asp:Label ID="lbProject" runat="server" 
                                                        Text='<%# Bind("prjname") %>'></asp:Label>
                                                    </ItemTemplate>
                                                    <ItemStyle Width="50%" />
                                                </asp:TemplateField>
                                            </Columns>

the following C# code created and bound the gridview

private DataSet FormPNdataset()
        {
            DataSet dsTemp = new DataSet();
            DataTable Tables = new DataTable();
            dsTemp.Tables.Add(Tables);
            dsTemp.Tables[0].Columns.Add("prjused", System.Type.GetType("System.Boolean"));
            dsTemp.Tables[0].Columns.Add("prjname",System.Type.GetType("System.String"));
            foreach (string strname in ProjectNames)
            {
                DataRow dr = dsTemp.Tables[0].NewRow();
                dr["prjused"] = true;
                dr["prjname"] = strname;
                dsTemp.Tables[0].Rows.Add(dr);
            }
            return dsTemp;
        }
 
---then--
gv.DataSource = FormPNdataset();
gv.DataBind();
 
 

The above works fine, but the checkbox column is grayed out.

Googleing I see where someone suggested using "BindingLIst" and I found this reference: http://msdn.microsoft.com/en-us/library/ms132679.aspx but this seems only for listboxes and not gridviews.

I can always add an unbound column of checkboxes and do my own checkbox state control but I would rather use a two way data set.

maybe there is an asp.net version of the windows forms widget "CheckListBox" ? I am trying to roll my own CheckListBox.

thanks for looking

[BeemerBiker]

solved - after sleeping on it I tried converting the checkbox bound data field into a template and the checkboxes became read/write.

However, it would be nice if a checkboxlist existed in asp.net