如何在輸入textbox1和textbox2值時通過計算textbox1-textbox2來自動獲取textbox3的值。自動計算文本框的值
<asp:TextBox ID="txtbox1" runat="server"></asp:TextBox>//enter value as 100
<asp:TextBox ID="txtbox2" runat="server"></asp:TextBox>//enter value as 50, Once we enter 50 result should appear in textbox3
<asp:TextBox ID="txtbox3" runat="server"></asp:TextBox>//Once we enter 50 result should appear in textbox3
txtbox3.Text = (Convert.ToInt32(txtbox1.Text) - Convert.ToInt32(txtbox2.Text)).ToString();
「自動」意味着客戶端。這意味着JavaScript。您的C#代碼隱藏在服務器上運行。請現在瞭解這個區別,否則你將永遠困惑。 –
@Kuzgun''標籤當然是Web。 –