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DropDownList In GridView problem
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Forum:
ASP.NET
Category:
Other
Miscellaneous
Thread ID:
01455784
Message ID:
01456586
Views:
26
>>>>>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.
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