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DropDownList In GridView problem
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Forum:
ASP.NET
Category:
Other
Miscellaneous
Thread ID:
01455784
Message ID:
01456590
Views:
29
>>>>>>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.
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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