C#

<asp:panel id="pnlEval" runat="server" enabled="false">

* Denotes required entry
<asp:validationsummary id="ValidationSummary" runat="server" forecolor="" headertext="<p class="valSummaryHeader">Please correct the following:</p>">

     <div class="questionHeader">
         <asp:label id="lblQHeader" runat="server" text="Questions" cssclass="question"> 
         <asp:label id="lblAns1" runat="server" cssclass="answer">    
         <asp:label id="lblAns2" runat="server" cssclass="answer"> 
         <asp:label id="lblAns3" runat="server" cssclass="answer"> 
         <asp:label id="lblAns4" runat="server" cssclass="answer"> 
         <asp:label id="lblAns5" runat="server" cssclass="answer">          
      </div>
     <div class="questionDetails">
        <asp:label id="lblQues1" runat="server" cssclass="question">   
          <asp:requiredfieldvalidator id="rfvQuest1" runat="server" controltovalidate="radAns1" 
="" errormessage="All the questions must be answered" cssclass="valError" display="Static" forecolor="">!     
        <asp:radiobuttonlist id="radAns1" repeatdirection="Horizontal" runat="server" cssclass="answerGroup">
            <asp:listitem value="1" text="">
            <asp:listitem value="2" text="">
            <asp:listitem value="3" text="">
            <asp:listitem value="4" text="">
            <asp:listitem value="5" text="">
         
       
     </div>
     <div class="questionDetails">
       <asp:label id="lblQues2" runat="server" cssclass="question"> 
              <asp:requiredfieldvalidator id="rfvQuest2" runat="server" controltovalidate="radAns2" 
="" errormessage="All the questions must be answered" cssclass="valError" display="Dynamic" forecolor="">!   
       <asp:radiobuttonlist id="radAns2" repeatdirection="Horizontal" runat="server" cssclass="answerGroup">
           <asp:listitem value="1" text="">
           <asp:listitem value="2" text="">
           <asp:listitem value="3" text="">
           <asp:listitem value="4" text="">
           <asp:listitem value="5" text="">                  
        

     </div>
     <div>
         <asp:label id="lblQues3" runat="server" cssclass="question">
           <asp:requiredfieldvalidator id="rfvQuest3" runat="server" controltovalidate="radAns3" 
="" errormessage="All the questions must be answered" cssclass="valError" display="Dynamic" forecolor="">!  
         <asp:radiobuttonlist id="radAns3" repeatdirection="Horizontal" runat="server" cssclass="answerGroup">
             <asp:listitem value="1" text="">
             <asp:listitem value="2" text="">
             <asp:listitem value="3" text="">
             <asp:listitem value="4" text="">
             <asp:listitem value="5" text="">
          
        
     </div>
     <div>
     <asp:label id="lblQues4" runat="server" cssclass="question">
      <asp:requiredfieldvalidator id="rfvQuest4" runat="server" controltovalidate="radAns4" 
="" errormessage="All the questions must be answered" cssclass="valError" display="Dynamic" forecolor="">! 
     <asp:radiobuttonlist id="radAns4" repeatdirection="Horizontal" runat="server" cssclass="answerGroup">
         <asp:listitem value="1" text="">
         <asp:listitem value="2" text="">
         <asp:listitem value="3" text="">
         <asp:listitem value="4" text="">
         <asp:listitem value="5" text="">
      
    
     </div>
     <div>
     <asp:label id="lblQues5" runat="server" cssclass="question">
      <asp:requiredfieldvalidator id="rfvQuest5" runat="server" controltovalidate="radAns5" 
="" errormessage="All the questions must be answered" cssclass="valError" display="Dynamic" forecolor="">! 
     <asp:radiobuttonlist id="radAns5" repeatdirection="Horizontal" runat="server" cssclass="answerGroup">
         <asp:listitem value="1" text="">
         <asp:listitem value="2" text="">
         <asp:listitem value="3" text="">
         <asp:listitem value="4" text="">
         <asp:listitem value="5" text="">
      
    
     </div>
     <div>
     <asp:label id="lblQues6" runat="server" cssclass="question">
      <asp:requiredfieldvalidator id="rfvQuest6" runat="server" controltovalidate="radAns6" 
="" errormessage="All the questions must be answered" cssclass="valError" display="Dynamic" forecolor="">! 
     <asp:radiobuttonlist id="radAns6" repeatdirection="Horizontal" runat="server" cssclass="answerGroup">
         <asp:listitem value="1" text="">
         <asp:listitem value="2" text="">
         <asp:listitem value="3" text="">
         <asp:listitem value="4" text="">
         <asp:listitem value="5" text="">
     
</div>

<asp:button id="btnSubmit" runat="server" text="Submit" onclick="btnSubmit_Click">



And now when i run the program, even before i click the submit button, the validation summary is showing. I want this summary to show only after I click the submit button and if there is any radio button unchecked.

Can anyone tell me where I have done mistake?
<div class="signature">suchita</div>

_DB = new SQLiteConnection("Data Source=" + db + String.Format(";Password={0}",
                Convert.ToBase64String(password)));

_DB.SetPassword(Convert.ToBase64String(newPassword));

_DB.Open();
_DB.ChangePassword(Convert.ToBase64String(password));
_DB.Close();

private DataTable AddNewRowToGrid()
{
    int rowIndex = 0;
    if (ViewState["CurrentTable"] != null)
    {
        DataTable dtCurrentTable = (DataTable)ViewState["CurrentTable"];
        DataRow drCurrentRow = null;
        if (dtCurrentTable.Rows.Count > 0)
        {
            for (int i = 1; i <= dtCurrentTable.Rows.Count; i++)
            {
                //extract the TextBox values
                drCurrentRow = dtCurrentTable.NewRow();
                dtCurrentTable.Rows[i - 1]["EffectFrom"] = ((TextBox)mdlpopupGrid.Rows[rowIndex].Cells[1].FindControl("txtEffectFrom")).Text;
                dtCurrentTable.Rows[i - 1]["EffectivePercentage"] = ((TextBox)mdlpopupGrid.Rows[rowIndex].Cells[2].FindControl("txtEffectivePercentage")).Text;
                dtCurrentTable.Rows[i - 1]["Grade_Salary"] = ((TextBox)mdlpopupGrid.Rows[rowIndex].Cells[3].FindControl("txtGradeSalary")).Text;
                rowIndex++;
            }
            dtCurrentTable.Rows.Add(drCurrentRow);
            ViewState["CurrentTable"] = dtCurrentTable;
            return dtCurrentTable;
        }
    }
}