TextMode=Number is not working

Question

I am Using a Textbox in my Web application in asp. I want to enter the quantity of the product to appear as

my aspx code is

 <asp:TextBox ID="TextBox4"  Width="55px" Height="39px" TextMode="Number" runat="server" min="1" max='<%# Eval("Quantity") %>' step="1"></asp:TextBox>  

and cs page code is

int quantity = Convert.ToInt16(TextBox4.Text);

where is wish to access the selected quantity of my TextBox4. But is shows the error that The input string is not in the correct format

Am i not using the correct input format?

Answer 1

Set the initial text like this

<asp:TextBox id="textbox4" Width="55px" Height="39px" TextMode="Number" runat="server" min="1" max='<%# Eval("Quantity") %>' step="1" Text="0"></asp:TextBox>

this will solve ur problem