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03.10.2008 at 09:35AM PDT, ID: 23228957
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8.0

ASP.Net - Repeater control and if statement

Zones: .NET Framework 2.0, C# Programming Language, .Net Editors & IDEs
Tags: Microsoft, ASP.Net, 2.0, Repeater control and if statement
Hi, I am trying to set up an ASP.net form that displayes a group of 4 radio buttons, a questions then a group of 3 radio buttons.

Some questions have sub questions, so the sub question will have the radiobuttons and the parent question will not.  How do create an if statement to check and see if the parent should have these shown?  I have a column in my table that says whether it should or not for ease.  Current code attached.
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//Repeater code
<table width="100%" cellpadding="0" cellspacing="0" border="0">
    <asp:Repeater runat="server" ID="RepWorkArea" OnItemDataBound="ShowQuestions">
        <ItemTemplate>
            <tr>
                <td colspan="3">
                    <h4><%# ((DataRowView)Container.DataItem)["WorkArea"]%></h4>
                </td>
            </tr>
            <asp:Repeater ID="RepQuestions" OnItemDataBound="ShowSubQuestions" runat="server">
                <itemtemplate> 
                <tr>
                    <td width="90px"><asp:RadioButtonList ID="radQuestionList" runat="server" DataSourceID="SqlDataSource1" DataValueField="SkillImportanceID" OnSelectedIndexChanged="btnViewSkill_Click" RepeatDirection="Horizontal" DataTextField="empty" RepeatLayout="flow"/></td>
                    <td width="*"><b><%# (Container.ItemIndex + 1) %>.</b> <%# ((DataRowView)Container.DataItem)["Question"]%></td>
                    <td width="70px" align="right"><asp:RadioButtonList ID="radSubQuestionList" runat="server" DataSourceID="SqlDataSource2" DataValueField="AnswerID" RepeatDirection="Horizontal" DataTextField="empty" RepeatLayout="flow"/></td>
                </tr>
                <tr>
                    <td colspan="3" align="left">
                        <table width="100%"  cellpadding="0" cellspacing="0" border="0">
                            <asp:repeater id="RepSubQuestions" runat="server"> 
                                <itemtemplate>
                                <tr>
                                    <td width="90px">
                                        <asp:RadioButtonList ID="radQuestionList" runat="server" DataSourceID="SqlDataSource1" DataValueField="SkillImportanceID" OnSelectedIndexChanged="btnViewSkill_Click" RepeatDirection="Horizontal" DataTextField="empty" RepeatLayout="flow"/>
                                    </td>
                                    <td width="*">
                                        <div id="SubQuestions">
                                            <li class="bold"><%# DataBinder.Eval(Container.DataItem, "[\"Question\"]")%></li>
                                        </div>
                                    </td>
                                    <td width="70px" align="right">
                                        <asp:RadioButtonList ID="radSubQuestionList" runat="server" DataSourceID="SqlDataSource2" DataValueField="AnswerID" RepeatDirection="Horizontal" DataTextField="empty" RepeatLayout="flow"/>
                                    </td>
                                </tr>
                                </itemtemplate> 
                            </asp:repeater>   
                        </table>
                    </td>
                </tr>
                </itemtemplate> 
            </asp:Repeater>
        </ItemTemplate>
    </asp:Repeater>
 
//Code Behind
private SqlConnection connString = new SqlConnection(WebConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString.ToString());
        
    protected void Page_Load(object sender, EventArgs e)
    {
        string strSql;
        DataSet ds = new DataSet();
        strSql = "select distinct A.* from WorkAreas as A right Join EvaluationQuestions AS B on a.WorkAreaId = B.WorkAreaID AND B.EvaluationID = 1 Order By A.SortOrder";
        SqlDataAdapter daWorkAreas = new SqlDataAdapter(strSql, connString);
        daWorkAreas.Fill(ds, "WorkAreas");
        strSql = "select * from EvaluationQuestions WHERE ParentId = -1 AND Active = 1 AND EvaluationID = 1 Order By EvaluationQuestionID";
        SqlDataAdapter daEvaluationQuestions = new SqlDataAdapter(strSql, connString);
        daEvaluationQuestions.Fill(ds, "EvaluationQuestions");
        strSql = "select * from EvaluationQuestions WHERE Active = 1 AND EvaluationID = 1 Order By EvaluationQuestionID";
        SqlDataAdapter daSubQuestions = new SqlDataAdapter(strSql, connString);
        daSubQuestions.Fill(ds, "SubQuestions");
        DataRelation rel = new DataRelation("QuestionsRel",ds.Tables["WorkAreas"].Columns["WorkAreaID"], ds.Tables["EvaluationQuestions"].Columns["WorkAreaID"],false);
        ds.Relations.Add(rel);
        DataRelation rel2 = new DataRelation("QuestionsRel2", ds.Tables["EvaluationQuestions"].Columns["EvaluationQuestionID"], ds.Tables["SubQuestions"].Columns["ParentID"], false);
        ds.Relations.Add(rel2);
        RepWorkArea.DataSource = ds.Tables["WorkAreas"].DefaultView;
        RepWorkArea.DataBind();
        connString.Close();
 
    }
 
    public void ShowQuestions(Object sender, RepeaterItemEventArgs e)
    {
        if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
        {
            ((Repeater)e.Item.FindControl("RepQuestions")).DataSource =
            ((DataRowView)e.Item.DataItem).CreateChildView("QuestionsRel");
            ((Repeater)e.Item.FindControl("RepQuestions")).DataBind();
        }
    }
 
    public void ShowSubQuestions(Object sender, RepeaterItemEventArgs e)
    {
        if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
        {
            ((Repeater)e.Item.FindControl("RepSubQuestions")).DataSource =
            ((DataRowView)e.Item.DataItem).CreateChildView("QuestionsRel2");
            ((Repeater)e.Item.FindControl("RepSubQuestions")).DataBind();
        }
    }
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Question Stats
Zone: Programming
Question Asked By: iftech
Solution Provided By: iftech
Participating Experts: 1
Solution Grade: A
Views: 169
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03.10.2008 at 12:25PM PDT, ID: 21089456
RDdice:

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04.01.2008 at 11:19AM PDT, ID: 21256615
iftech:

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