Please Some one help me with adding a row to gridview dynamically

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      DataTable dtable = new DataTable();
       DataColumn dt = new DataColumn("Packaging Size");
       DataColumn dt1 = new DataColumn("Unit");
       DataColumn dt2 = new DataColumn("No Of Unit");
       DataColumn dt3 = new DataColumn("Total Product Use");
       DataColumn dt4 = new DataColumn("unit");
       DataColumn dt5 = new DataColumn("Date");
 

       dtable.Columns.Add(dt);
       dtable.Columns.Add(dt1);
       dtable.Columns.Add(dt2);
       dtable.Columns.Add(dt3);
       dtable.Columns.Add(dt4);
       dtable.Columns.Add(dt5);
       ds1.Tables.Add(dtable);

then----
 
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DataRow dr = ds2.Tables[0].NewRow();
       ds2.Tables[0].Rows.Add(dr);
       dr[0] = TextBox9.Text;
       dr[1] = DropDownList1.SelectedItem.Text;
       dr[2] = TextBox11.Text;
       dr[3] = TextBox12.Text;
       dr[4] = TextBox13.Text;
       dr[5] = DatePicker3.SelectedDate.ToString();

--but this works only for 1 row...
 
i want it for mulatiple rows..
 
Plzzzzzzzzzz help...

Posted 9-Sep-12 19:12pm

satheeshkumar chinnadurai

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satheeshkumar chinnadurai 10-Sep-12 5:48am

but page load time i need empty grid sir what can i do plz help sir

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Prasad_Kulkarni · Answer 1 · 2012-09-09T19:20:00

Try this:
This example shows how to generate a Row in GridView with TextBoxes when clicking a Button.
Aspx page:

ASP.NET

<asp:gridview ID="Gridview1" runat="server" ShowFooter="true" AutoGenerateColumns="false">
        <Columns>
        <asp:BoundField DataField="RowNumber" HeaderText="Row Number" />
        <asp:TemplateField HeaderText="Header 1">
            <ItemTemplate>
                <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
            </ItemTemplate>
        </asp:TemplateField>
        <asp:TemplateField HeaderText="Header 2">
            <ItemTemplate>
                <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
            </ItemTemplate>
        </asp:TemplateField>
        <asp:TemplateField HeaderText="Header 3">
            <ItemTemplate>
                 <asp:TextBox ID="TextBox3" runat="server"></asp:TextBox>
            </ItemTemplate>
            <FooterStyle HorizontalAlign="Right" />
            <FooterTemplate>
             <asp:Button ID="ButtonAdd" runat="server" Text="Add New Row" />
            </FooterTemplate>
        </asp:TemplateField>
        </Columns>
</asp:gridview>

Code behind:

C#

private void SetInitialRow()
    {
        DataTable dt = new DataTable();
        DataRow dr = null;
        dt.Columns.Add(new DataColumn("RowNumber", typeof(string)));
        dt.Columns.Add(new DataColumn("Column1", typeof(string)));
        dt.Columns.Add(new DataColumn("Column2", typeof(string)));
        dt.Columns.Add(new DataColumn("Column3", typeof(string)));
        dr = dt.NewRow();
        dr["RowNumber"] = 1;
        dr["Column1"] = string.Empty;
        dr["Column2"] = string.Empty;
        dr["Column3"] = string.Empty;
        dt.Rows.Add(dr);
        //dr = dt.NewRow();
 
        //Store the DataTable in ViewState
        ViewState["CurrentTable"] = dt;
 
        Gridview1.DataSource = dt;
        Gridview1.DataBind();
    }

Page load:

C#

protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            SetInitialRow(); 
        }
    }

For more have look on following links:
Adding Dynamic Rows in ASP.NET GridView Control with TextBoxes and with Delete functionality[^]
Save and Retrieve Dynamic TextBox values in GridView to SQL Server Database[^]
ADDING DYNAMIC ROWS IN GRIDVIEW WITH TEXTBOXES[^]