ASP.NET

private DataTable GetData(int count)
    {
        DataTable dt = new DataTable();
        dt.Columns.Add("col1");
        dt.Columns.Add("col2");
        dt.Columns.Add("col3");
        DataRow dr=null;
        for (int i = 0; i <= count; i++)
        {
            dr = dt.NewRow();
            dr["col1"] = "";
            dr["col2"] = "";
            dr["col3"] = "";
            dt.Rows.Add(dr);
        }
        return dt;
    }
    private DataTable GetNewData(int count)
    {
        DataTable dt = new DataTable();
        dt.Columns.Add("col1");
        dt.Columns.Add("col2");
        dt.Columns.Add("col3");
        DataRow dr = null;
        for (int i = 0; i < count; i++)
        {
           
                dr = dt.NewRow();
                dr["col1"] = ((TextBox)grdOrd.Rows[i].Cells[0].FindControl("txtCol1")).Text;
                dr["col2"] = ((TextBox)grdOrd.Rows[i].Cells[1].FindControl("txtCol2")).Text;
                dr["col3"] = ((TextBox)grdOrd.Rows[i].Cells[5].FindControl("txtCol3")).Text;
           dt.Rows.Add(dr);
          
        }
        dr = dt.NewRow();
        dr["col1"] = "";
        dr["col2"] = "";
        dr["col3"] = "";
        
        dt.Rows.Add(dr);
        return dt;
    }
protected void Page_Load(object sender,EventArgs e)
{
  if(!IsPostBack)
{
  GetData(0);
}
}

protected void btnAddNewRow_Click(object sender,EventArgs e)
{
  GridView1.DataSource = GetNewData(grdOrd.Rows.Count);
  GridView1.DataBind();
}


<asp:GridView runat="server" id="GridView1" AutoGenerateColumns="false">
<Columns>
<asp:TemplateField HeaderText="Col1">
<ItemTemplate>
<asp:TextBox runat="server" id="txtCol1" Text='<%#Eval("col1")%>'></asp:TextBox>
</ItemTemplate>
<FooterTemplate>
<asp:Button runat="server" Id="btnAddNewRow" OnClick="btnAddNewRow_Click"/>
</FooterTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Col2">
<ItemTemplate>
<asp:TextBox runat="server" id="txtCol2" Text='<%#Eval("col2")%></asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Col3">
<ItemTemplate>
<asp:TextBox runat="server" id="txtCol3" Text='<%#Eval("col3")%></asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>

protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)
{
    TextBox tb = (TextBox)e.Row.FindControl("Textbox1");
    tb.Attributes.Add("onchange", "onchangeFunction();");
}

CSharpBeginner wrote:

~I don't believe you have any idea what AJAX is or does.~

That is why I was asking, duh!!

CSharpBeginner wrote:

Anyway, I figured out on how to do it is by using a ModalPopup window

HistoricalSocietyMember wrote:

yes

HistoricalSocietyMember wrote:

input type = text name ="txtSearch2" value="" maxlength=40 id="txtSearch2" language="javascript" onclick="return Text1_onclick()"