ASP.NET

Sonia Gupta wrote:

selected-index

ddl.options.selectedIndex

Sonia Gupta wrote:

selected value

Sonia Gupta wrote:

items.count

dd.items.Length

Sonia Gupta wrote:

hpw i should validate this thing

Sonia Gupta wrote:

i wanted to do the validations at the client end.i mean first i want to validate the textbox in the javascript , if it is having some value , only then the code behind code should execute.How should i do it

button1.Attributes.Add("OnClick","return MyJSFunc();");

function MyJSFunc()
{
   var TxtBox = document.getElementById("YourTextboxId");
   if(TxtBox.value == "")
   { 
      alert("Enter value");
      return false;
   }
   else
      return true;
}

asp:button id"btnplus" runat="server" onclick="calendar_click" Text="+" />
asp:button id"btnequal" runat="server" onclick="calendar_click" Text="=" />
asp:button id"btnone" runat="server" onclick="calendar_click" Text="1" />
asp:button id"btntwo" runat="server" onclick="calendar_click" Text="2" />

int prevVal,CurrVal;

protected void calendar_click(object sender,....)
{


string key=((Button)Sender).Text;
switch(key)
case "+":
   preVal=int.Parse(txtVal.Text);
   txtVal.Text="";
   break;
case "=":
   currVal=int.Parse(txtVal.Text);
   txtVal.Text=preval+currVal;
   break;
case "1":
  txtVal.Text=key;
  break;
case "2":
  txtVal.Text=key;
  break;
   

}

ajsgja wrote:

How to make an array of buttons

N a v a n e e t h wrote:

You can't make array of buttons