js解决function MyTotal()
{
var text1=Number(document.getElementById("text1").value);
var text2=Number(document.getElementById("text2").value);
document.getElementById("text3").value=text1+text2;
}然后在源码里:<asp:TextBox ID="text3" runat="server" onblur="MyTotal()" Width="45px"></asp:TextBox></td>
{
var text1=Number(document.getElementById("text1").value);
var text2=Number(document.getElementById("text2").value);
document.getElementById("text3").value=text1+text2;
}然后在源码里:<asp:TextBox ID="text3" runat="server" onblur="MyTotal()" Width="45px"></asp:TextBox></td>
{
decimal num1;
decimal num2;
if (decimal.TryParse(this.textBox1.Text, out num1) && decimal.TryParse(this.textBox2.Text, out num2))
{
this.textBox3.Text = (num1+num2).ToString();
}
}
void Form_load(object sender,EventArgs){
textBox1.OnChange+=new XXXXXX(addValue);
textBox2.OnChange+=new XXXXXX(addValue);
}
void addValue(object sender,EventArgs e){
try{
textBox3.Text=Int32.Parse(textBox1.Text)+Int32.Parse(textBox2.Text)+"";
}
catch(xxxxx e){}
}大概这样了xxxx自己补
<asp:TextBox ID="text1" runat="server" onblur="MyTotal()" Width="45px"></asp:TextBox>
<asp:TextBox ID="text2" runat="server" onblur="MyTotal()" Width="45px"></asp:TextBox>
<asp:TextBox ID="text3" runat="server" Width="45px"></asp:TextBox>function MyTotal()
{
var text1=Number(document.getElementById("text1").value);
var text2=Number(document.getElementById("text2").value);
document.getElementById("text3").value=text1+text2;
}