限制DataGridView 某個欄位輸入數字

2012-11-29

遇到就給他記錄下去.................小改一下程式碼做結合

順便記錄！！

   private void dataGridView1_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)

            if (this.dataGridView1.CurrentCell.ColumnIndex == 4)  //指定選擇的欄位索引 0 1.2.3.4

                TextBox tb = (TextBox)e.Control; //沒指定的話就dataGridView1 內 textbox限制

                keyin_mumber keyin = new keyin_mumber();

                tb.KeyPress += new KeyPressEventHandler(keyin.key_number);

                //tb.KeyPress += new KeyPressEventHandler(TextBoxDec_KeyPress);

前輩的寫法..........................比精簡的....汗

private void TextBoxDec_KeyPress(object sender, KeyPressEventArgs e)

            char key = e.KeyChar;

            int value = (int)key;

            if ((value >= 48 && value <= 57) || value == 46 || value == 8 || value == 43 || value == 45)

                e.Handled = false;

            else

                e.Handled = true;

private void TextBoxDec_KeyPress(object sender, KeyPressEventArgs e)

    if (e.KeyChar != 8 && !Char.IsDigit(e.KeyChar) && e.KeyChar != '.')

        e.Handled = true;

因為懶惰所以寫成額外的類別之後可以繼續用內容就套用一下前輩的吧

class keyin_mumber.cs

class keyin_mumber.cs

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Windows.Forms;

namespace WindowsFormsApplication1

    class keyin_mumber

        public void key_number(object sender, KeyPressEventArgs e)

                //內容填入前面的程式碼即可跑了

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