54 lines
1.3 KiB
C#
54 lines
1.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace ScratchBook
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{
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public partial class Form1 : Form
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{
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public Form1()
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{
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InitializeComponent();
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TextBox txtQuantity = new TextBox();
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TextBox txtPrice = new TextBox();
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ErrorProvider ep1 = new ErrorProvider();
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Label lblMessage = new Label();
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Int32 intQuantity = 0;
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decimal decPrice = 0;
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try
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{
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intQuantity = Int32.Parse(txtQuantity.Text);
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try
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{
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decPrice = decimal.Parse(txtPrice.Text);
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}
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catch (Exception e)
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{
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ep1.SetError(txtPrice, "Invalid Value");
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lblMessage.Text = "Invalid Price";
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txtPrice.Focus();
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}
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}
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catch (Exception e)
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{
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ep1.SetError(txtQuantity, "Invalid Value");
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lblMessage.Text = "Invalid Quantity";
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txtQuantity.Focus();
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}
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}
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}
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} |