Mega Code Archive
Use if statement to check form input data (VB net)
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<script runat="server">
sub Submit(Sender as Object, e as EventArgs)
if tbFName.Text <> "" and not IsNumeric(tbFName.Text) then
lblMessage.Text = "First name is incorrect!"
end if
if tbLName.Text <> "" and not IsNumeric(tbLName.Text) then
lblMessage.Text = "Last name is incorrect!"
end if
if tbAddress.Text <> "" then
lblMessage.Text = "Address is incorrect!"
end if
if tbCity.Text <> "" and not IsNumeric(tbCity.Text) then
lblMessage.Text = "City is incorrect!"
end if
if tbState.Text <> "" and not IsNumeric(tbState.Text) then
lblMessage.Text = "State is incorrect!"
end if
if tbZIP.Text <> "" and IsNumeric(tbZIP.Text) then
lblMessage.Text = "ZIP is incorrect!"
end if
if tbPhone.Text <> "" then
lblMessage.Text = "Success!"
else
lblMessage.Text = "Phone is incorrect!"
end if
end sub
</script>
<html><body>
<form runat="server">
<asp:Label id="lblMessage" runat="server" /><br>
<asp:Panel id="Panel1" runat="server">
First and last name:
<asp:TextBox id="tbFName" runat="server" />
<asp:TextBox id="tbLName" runat="server" />
Email:
<asp:TextBox id="tbEmail"
runat="server" />
Address:
<asp:TextBox id="tbAddress"
runat="server" />
City, State, ZIP:
<asp:TextBox id="tbCity"
runat="server" />,
<asp:TextBox id="tbState" runat="server"
size=2 />
<asp:TextBox id="tbZIP" runat="server"
size=5 />
Phone:
<asp:TextBox id="tbPhone" runat="server"
size=11 />
<asp:Button id="btSubmit" runat="server"
text="Add" OnClick="Submit"/>
</asp:Panel>
</form>
</body></html>
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