DataBinding: 'System.Data.DataRowView' does not contain a property with the name 'Type'.

See more:

C#

ASP.NET

SQL

SqlDataSource

this error occurred when i change the database name in sql server
but the the method running and im sure i changed the database name also in the connectionString
how to solve this problem ... Plz

------------------------------------------------------
protected void BindEmployeeDetails2()
{
con.Open();
int userid = int.Parse(Request.QueryString["UserId"]);
SqlCommand cmd = new SqlCommand("Select * from SU_Seeker_Qualifications where UserId=" + userid , con);
SqlDataAdapter da = new SqlDataAdapter(cmd);
DataSet ds = new DataSet();
da.Fill(ds);
con.Close();
if (ds.Tables[0].Rows.Count > 0)
{
gvDetails2.DataSource = ds;
gvDetails2.DataBind();
}
else
{
ds.Tables[0].Rows.Add(ds.Tables[0].NewRow());
gvDetails2.DataSource = ds;
gvDetails2.DataBind();
int columncount = gvDetails2.Rows[0].Cells.Count;
gvDetails2.Rows[0].Cells.Clear();
gvDetails2.Rows[0].Cells.Add(new TableCell());
gvDetails2.Rows[0].Cells[0].ColumnSpan = columncount;
gvDetails2.Rows[0].Cells[0].Text = "No Records Found";
}

-----------------------------------------

<asp:GridView ID="gvDetails2" DataKeyNames="UserId,Id" runat="server"
        AutoGenerateColumns="False" CssClass="Gridview" HeaderStyle-BackColor="#0C8063"
ShowFooter="True" HeaderStyle-Font-Bold="true" HeaderStyle-ForeColor="White"
        onrowcancelingedit="gvDetails2_RowCancelingEdit"
        onrowdeleting="gvDetails2_RowDeleting" onrowediting="gvDetails2_RowEditing"
        onrowupdating="gvDetails2_RowUpdating"
        onrowcommand="gvDetails2_RowCommand">

<Columns>
<asp:TemplateField>
<EditItemTemplate>
<asp:ImageButton ID="imgbtnUpdate" CommandName="Update" runat="server" ImageUrl="~/Images/update.jpg" ToolTip="Update" Height="20px" Width="20px" />
<asp:ImageButton ID="imgbtnCancel" runat="server" CommandName="Cancel" ImageUrl="~/Images/Cancel.jpg" ToolTip="Cancel" Height="20px" Width="20px" />

</EditItemTemplate>
<ItemTemplate>
<asp:ImageButton ID="imgbtnEdit" CommandName="Edit" runat="server" ImageUrl="~/Images/Edit.jpg" ToolTip="Edit" Height="20px" Width="20px" />
<asp:ImageButton ID="imgbtnDelete" CommandName="Delete" Text="Edit" runat="server" ImageUrl="~/Images/delete.jpg" ToolTip="Delete" Height="20px" Width="20px" />
</ItemTemplate>
<FooterTemplate>
<asp:ImageButton ID="imgbtnAdd" runat="server" ImageUrl="~/Images/AddNewitem.jpg" CommandName="AddNew" Width="30px" Height="30px" ToolTip="Add new User" ValidationGroup="validaiton" />

</FooterTemplate>
 </asp:TemplateField>
<asp:TemplateField HeaderText=" النوع">
<EditItemTemplate>
    <asp:TextBox ID="txtType" runat="server" Text='<%#Eval("Type") %>'/>

</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="lblType" runat="server" Text='<%#Eval("Type") %>'/>
</ItemTemplate>
<FooterTemplate>
<asp:TextBox ID="txtftrType" runat="server"/>
<asp:RequiredFieldValidator ID="rfvType" runat="server" ControlToValidate="txtftrType" Text="*" ValidationGroup="validaiton"/>
</FooterTemplate>
</asp:TemplateField>
 <asp:TemplateField HeaderText="تاريخ الالتحاق">
 <EditItemTemplate>
 <asp:TextBox ID="txtJoin_Date" runat="server" Text='<%#Eval("Join_Date") %>'/>
 </EditItemTemplate>
 <ItemTemplate>
 <asp:Label ID="lblJoin_Date" runat="server" Text='<%#Eval("Join_Date") %>'/>
 </ItemTemplate>
 <FooterTemplate>
 <asp:TextBox ID="txtftrJoin_Date" runat="server"/>
 <asp:RequiredFieldValidator ID="rfvJoin_Date" runat="server" ControlToValidate="txtftrJoin_Date" Text="*" ValidationGroup="validaiton"/>
 </FooterTemplate>
 </asp:TemplateField>
 <asp:TemplateField HeaderText="تاريخ التخرج">
 <EditItemTemplate>
 <asp:TextBox ID="txtGraduated_Date" runat="server" Text='<%#Eval("Graduated_Date") %>'/>

 </EditItemTemplate>
 <ItemTemplate>
 <asp:Label ID="lblGraduated_Date" runat="server" Text='<%#Eval("Graduated_Date") %>'/>
 </ItemTemplate>
 <FooterTemplate>
 <asp:TextBox ID="txtftrGraduated_Date" runat="server"/>
  <asp:RequiredFieldValidator ID="rfvGraduated_Date" runat="server" ControlToValidate="txtftrGraduated_Date" Text="*" ValidationGroup="validaiton"/>
 </FooterTemplate>
 </asp:TemplateField>
    <asp:TemplateField HeaderText="الجامعــه">
 <EditItemTemplate>
 <asp:TextBox ID="txtUniverisity" runat="server" Text='<%#Eval("Univerisity") %>'/>

 </EditItemTemplate>
 <ItemTemplate>
 <asp:Label ID="lblUniverisity" runat="server" Text='<%#Eval("Univerisity") %>'/>
 </ItemTemplate>
 <FooterTemplate>
 <asp:TextBox ID="txtftrUniverisity" runat="server"/>
  <asp:RequiredFieldValidator ID="rfvUniverisity" runat="server" ControlToValidate="txtftrUniverisity" Text="*" ValidationGroup="validaiton"/>
 </FooterTemplate>
 </asp:TemplateField>
    <asp:TemplateField HeaderText="الكليـــه">
        <EditItemTemplate>
 <asp:TextBox ID="txtFaculty" runat="server" Text='<%#Eval("Faculty") %>'/>

 </EditItemTemplate>
 <ItemTemplate>
 <asp:Label ID="lblFaculty" runat="server" Text='<%#Eval("Faculty") %>'/>
 </ItemTemplate>
 <FooterTemplate>
 <asp:TextBox ID="txtftrFaculty" runat="server"/>
  <asp:RequiredFieldValidator ID="rfvFaculty" runat="server" ControlToValidate="txtftrFaculty" Text="*" ValidationGroup="validaiton"/>
 </FooterTemplate>
    </asp:TemplateField>
     <asp:TemplateField HeaderText="التخصــص">
        <EditItemTemplate>
 <asp:TextBox ID="txtMajor" runat="server" Text='<%#Eval("Major") %>'/>
 </EditItemTemplate>
 <ItemTemplate>
 <asp:Label ID="lblMajor" runat="server" Text='<%#Eval("Major") %>'/>
 </ItemTemplate>
 <FooterTemplate>
 <asp:TextBox ID="txtftrMajor" runat="server"/>
  <asp:RequiredFieldValidator ID="rfvMajor" runat="server" ControlToValidate="txtftrMajor" Text="*" ValidationGroup="validaiton"/>
 </FooterTemplate>
    </asp:TemplateField>

     <asp:TemplateField HeaderText="المعدل التراكمى">
        <EditItemTemplate>
 <asp:TextBox ID="txtGrade" runat="server" Text='<%#Eval("Grade") %>'/>
 </EditItemTemplate>
 <ItemTemplate>
 <asp:Label ID="lblGrade" runat="server" Text='<%#Eval("Grade") %>'/>
 </ItemTemplate>
 <FooterTemplate>
 <asp:TextBox ID="txtftrGrade" runat="server"/>
  <asp:RequiredFieldValidator ID="rfvGrade" runat="server" ControlToValidate="txtftrGrade" Text="*" ValidationGroup="validaiton"/>
 </FooterTemplate>
    </asp:TemplateField>
 </Columns>

<HeaderStyle BackColor="#0C8063" Font-Bold="True" ForeColor="White"></HeaderStyle>
</asp:GridView>