How to add Data To GridView From TextBox

<%@ Control Language="C#" AutoEventWireup="true" CodeFile="WebUserControl.ascx.cs" Inherits="DesktopModules_styGrantRegister_WebUserControl" %>
<asp:LinqDataSource ID="LinqDataSource1" runat="server"
    ContextTypeName="styGrantRegister.styGrantRegisterDataContext"
    EnableDelete="True" EnableInsert="True" EnableUpdate="True"
    TableName="styUserProfiles">
</asp:LinqDataSource>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
    DataKeyNames="ID" DataSourceID="LinqDataSource1" EnableModelValidation="True">
    <Columns>
        <asp:BoundField DataField="ID" HeaderText="ID" InsertVisible="False"
            ReadOnly="True" SortExpression="ID" />
        <asp:BoundField DataField="UserName" HeaderText="UserName"
            SortExpression="UserName" />
        <asp:BoundField DataField="DisplayName" HeaderText="DisplayName"
            SortExpression="DisplayName" />
        <asp:BoundField DataField="Email" HeaderText="Email" SortExpression="Email" />
        <asp:BoundField DataField="Phone" HeaderText="Phone" SortExpression="Phone" />
        <asp:BoundField DataField="UserType" HeaderText="UserType"
            SortExpression="UserType" />
        <asp:BoundField DataField="IdNo" HeaderText="IdNo" SortExpression="IdNo" />
        <asp:BoundField DataField="WorkPlace" HeaderText="WorkPlace"
            SortExpression="WorkPlace" />
        <asp:BoundField DataField="Creditor" HeaderText="Creditor"
            SortExpression="Creditor" />
        <asp:BoundField DataField="Debtor" HeaderText="Debtor"
            SortExpression="Debtor" />
    </Columns>
</asp:GridView>
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<p>
    <asp:Button ID="Button1" runat="server" Text="Button" />
</p>