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DropDownList In GridView problem
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Forum:
ASP.NET
Category:
Other
Miscellaneous
Thread ID:
01455784
Message ID:
01456605
Views:
39
>>>>>>>>I have a DropDownList in a DGV on my page"
>>>>>>>>
>>>>>>>>
>>>>>>>><asp:GridView ID="GridView1" 
>>>>>>>>            runat="server" 
>>>>>>>>            AutoGenerateColumns="False">
>>>>>>>>
>>>>>>>>    <Columns>
>>>>>>>>
>>>>>>>>        <asp:BoundField DataField="RightKey" HeaderText="RightKey" />
>>>>>>>>
>>>>>>>>        <asp:TemplateField HeaderText="Allow / Deny">
>>>>>>>>            <ItemTemplate>
>>>>>>>>                <asp:DropDownList DataSource='<# GetAllowDenyValues() >' DataTextField="AllowDeny" 
>>>>>>>>                    DataValueField="AllowDeny" ID="AllowDeny" runat="server"></asp:DropDownList>
>>>>>>>>            </ItemTemplate>
>>>>>>>>        </asp:TemplateField>
>>>>>>>>
>>>>>>>>        <asp:BoundField DataField="RightName" HeaderText="Right Name" />
>>>>>>>>
>>>>>>>>    </Columns>
>>>>>>>>
>>>>>>>></asp:GridView>
>>>>>>>>
>>>>>>>>
>>>>>>>>I'm then doing this in the C# code:
>>>>>>>>
>>>>>>>>
>>>>>>>>private string ConnectionString = string.Empty;
>>>>>>>>
>>>>>>>>protected void Page_Load(object sender, EventArgs e)
>>>>>>>>{
>>>>>>>>    if (!IsPostBack)
>>>>>>>>    {
>>>>>>>>        ConnectionString = ConfigurationManager.ConnectionStrings["MyConnStr"].ConnectionString;
>>>>>>>>        BindData();
>>>>>>>>    }
>>>>>>>>}
>>>>>>>>
>>>>>>>>public DataSet GetAllowDenyValues()
>>>>>>>>{
>>>>>>>>    SqlConnection myConnection = new SqlConnection(ConnectionString);
>>>>>>>>    SqlDataAdapter ad = new SqlDataAdapter("SELECT DISTINCT CASE WHEN AllowDeny = 0 " +
>>>>>>>>        " THEN 'No' WHEN AllowDeny = 1 THEN 'Yes'END AS AllowDeny FROM sec_Rights ", myConnection);
>>>>>>>>    DataSet ds = new DataSet();
>>>>>>>>    ad.Fill(ds, "AllowDeny");
>>>>>>>>    return ds;
>>>>>>>>}
>>>>>>>>
>>>>>>>>private void BindData()
>>>>>>>>{
>>>>>>>>    SqlConnection conn = new SqlConnection(ConnectionString);
>>>>>>>>    SqlParameter pUserKey = new SqlParameter("@UserKey", 2);
>>>>>>>>    SqlCommand cmd = new SqlCommand();
>>>>>>>>    cmd.Parameters.Add(pUserKey);
>>>>>>>>    cmd.Connection = conn;
>>>>>>>>    cmd.CommandText = "as_GetRightsForUserEx";
>>>>>>>>    cmd.CommandType = CommandType.StoredProcedure;
>>>>>>>>
>>>>>>>>    SqlDataAdapter ad = new SqlDataAdapter();
>>>>>>>>    ad.SelectCommand = cmd;
>>>>>>>>    DataSet ds = new DataSet();
>>>>>>>>    ad.Fill(ds, "Rights");
>>>>>>>>    GridView1.DataSource = ds;
>>>>>>>>    GridView1.DataBind();
>>>>>>>>}
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>The DropDownList is being loaded ok, but all columns show 'No'. The column is not respecting the data's AllowDeny column which
>>>>>>>>is INT(1 or 0). Only one of the 5 rows being returned in my test actually have a 0 in it.
>>>>>>>
>>>>>>>Where are you getting five rows from? The SQL should only return two (assuming there's at least one 1 and one 0 and no other values in the AllowDeny column....
>>>>>>
>>>>>>The 5 rows are returned from the call to the stored proc as_GetRightsForUserEx in BindData. The Yes/No are only the allowable values for the AllowDeny column in the grid.
>>>>>
>>>>>It's not too clear what you're trying to do - but it looks overly complicated :-}
>>>>>Instead of getting the Listtems for the DropDownList from the DB would something like this work:
<asp:TemplateField HeaderText="Allow / Deny">
>>>>>            <ItemTemplate>
>>>>>              <asp:DropDownList Id="AllowDeny" runat="server"
>>>>>                 SelectedValue='< %# Bind("AllowDeny") % >' >
>>>>>                 <asp:ListItem Value="1">Yes</asp:ListItem>
>>>>>                 <asp:ListItem Value="0">No</asp:ListItem>
>>>>>              </asp:DropDownList>
>>>>>          </ItemTemplate>
>>>>></asp:TemplateField>
>>>>
>>>>
>>>>What I want to do is create a grid with the name of an access right and a combo that says "Yes" or "No". In the dataset there is a
>>>>column called AllowDeny with 1 or 0. I want the combo to be bound to the AllowDeny column, so that for each row, Yes shows if
>>>>the AllowDeny column has a 1 in it, and "No" shows if AllowDeny is 0.
>>>
>>>That's exactly what the code above does......
>>>>
>>>>I could also use a checkbox if that's easier.
>>
>>I get a compile err "The 'SelectedValue' property cannot be set declaratively." When I comment it out, it works but not bound.
>
>If you pasted my code then get rid of the extra space before and after the % in that line (they were added to satisfy UT checks)

Ahh, silly me.
Everything makes sense in someone's mind
public class SystemCrasher :ICrashable
In addition, an integer field is not for irrational people
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