how to insert multiple rows from gridview to database - asp.net

Question

I have Gridview having multiple rows with textboxes and dropdownlists... I want to insert data with values of textboxes and dropdownlist from multiple rows at a time with stored procedures. How it is possible.. pls help me,
<asp:gridview ID="Gridview1" runat="server" ShowFooter="True" AutoGenerateColumns="False" BackColor="White" BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px" CellPadding="3">
<Columns>
<asp:BoundField DataField="RowNumber" HeaderText="Row Number" />
<asp:TemplateField HeaderText="First Name">
<ItemTemplate>
<asp:TextBox ID="txtFirstName" runat="server" CssClass="textbox"></asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Last Name">
<ItemTemplate>
<asp:TextBox ID="txtLastName" runat="server" CssClass="textbox"></asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Date">
<ItemTemplate>
<asp:TextBox ID="txtDate" runat="server" CssClass="textbox"></asp:TextBox>
</ItemTemplate></asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<asp:DropDownList ID="ddlAgeRange" runat="server">
<asp:ListItem Value="-1">Age Range</asp:ListItem>
</asp:DropDownList>
</ItemTemplate></asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<asp:DropDownList ID="ddlRelationship" runat="server">
<asp:ListItem Value="-1">Relationship</asp:ListItem>
</asp:DropDownList>
</ItemTemplate></asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<asp:DropDownList ID="ddlGender" runat="server">
<asp:ListItem Value="-1">Gender</asp:ListItem>
</asp:DropDownList>
</ItemTemplate></asp:TemplateField>
</Columns>
<FooterStyle BackColor="White" ForeColor="#000066" />
<HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" />
<RowStyle ForeColor="#000066" />
<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
<SortedAscendingCellStyle BackColor="#F1F1F1" />
<SortedAscendingHeaderStyle BackColor="#007DBB" />
<SortedDescendingCellStyle BackColor="#CAC9C9" />
<SortedDescendingHeaderStyle BackColor="#00547E" />
</asp:gridview>

Answer 1

private void userInsert()
{
if (MessageBox.Show("Do you want to add the new data ?", "Confirm ", MessageBoxButtons.YesNo,MessageBoxIcon.Question) == DialogResult.Yes)
{
cmd.Connection = con;
cmd.CommandType = CommandType.Text;
try
{
foreach (GridViewRow dRow in userDataGridView.Rows)
{
cmd.CommandText = string.Format(
"insert into users(first_name,last_name,default_rate,default_location,spi_user_id,nickname) values('{0}','{1}',{2},{3},{4},'{5}')",
userDataGridView.CurrentRow.Cells[0].Value.ToString(),
userDataGridView.CurrentRow.Cells[1].Value.ToString(),
userDataGridView.CurrentRow.Cells[2].Value.ToString(),
locationID2ComboBox.SelectedValue,
userDataGridView.CurrentRow.Cells[4].Value.ToString(),
userDataGridView.CurrentRow.Cells[5].Value.ToString());
con.Open();
cmd.ExecuteNonQuery();
}
MessageBox.Show("Your data has been added successfully ", "Saved info", ageBoxButtons.OK, MessageBoxIcon.Information);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
con.Close();
userSelect();
}
}
}