/// <summary> /// 全角转半角 /// </summary> /// <param name="input">待处理字符串</param> /// <returns>半角字符串</returns> public static string ToDBC(string input) { char[] c = input.ToCharArray(); for (int i = 0; i < c.Length; i++) { //全角空格为12288 if (c[i] == 12288) { //半角空格为32 c[i] = (char)32; continue; } //半角(33-126)与全角(65281-65374)的对应关系是:相差65248 if (c[i] > 65280 && c[i] < 65375) c[i] = (char)(c[i] - 65248); } return new string(c); }
textbox: Leave事件中添加,光标离开控件后修改textbox的内容
if (textBox1.Text == "") return;
textBox1.Text = ToDBC(textBox1.Text);
dataGridView: CellEndEdit事件中添加, 光标离开单元格后修改Cell的内容
if (dataGridView1.CurrentCell.Value == null) return;
dataGridView1.CurrentCell.Value = ToDBC(dataGridView1.CurrentCell.Value.ToString());
dev gridview: CellValueChanged事件中添加, 光标离开单元格后修改Cell的内容
if (e.Value == null) return;
var row = gridView1.GetDataRow(e.RowHandle);
row[e.Column.ColumnHandle] = ToDBC(e.Value.ToString());