dgvConfig.DataSource = CreateTable();
dgvConfig.Columns["编号"].ReadOnly = true; //只读
dgvConfig.AllowUserToAddRows = false; //不允许添加新行
dgvConfig.EditingControlShowing += new DataGridViewEditingControlShowingEventHandler(dgvConfig_EditingControlShowing);
void dgvConfig_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
{
DataGridViewTextBoxEditingControl cotrol = (DataGridViewTextBoxEditingControl)e.Control;
cotrol.KeyPress += new KeyPressEventHandler(Edit_Value);
cotrol.MaxLength = 5;
}
//DataGridView 编辑项输入
protected void Edit_Value(object sender, KeyPressEventArgs e)
{
DataGridViewTextBoxEditingControl control = (DataGridViewTextBoxEditingControl)sender;
if (!Char.IsNumber(e.KeyChar) && !Char.IsPunctuation(e.KeyChar) && !Char.IsControl(e.KeyChar))
{
e.Handled = true;//消除不合适字符
}
else if (Char.IsPunctuation(e.KeyChar))
{
if (e.KeyChar != '.' || control.Text.Length == 0)//小数点
{
e.Handled = true;
}
if (control.Text.LastIndexOf('.') != -1)
{
e.Handled = true;
}
}
}
#region 输入
//允许输入小数
public static void TextBox_Double_KeyPress(object sender, KeyPressEventArgs e)
{
TextBox tb = (TextBox)sender;
if (tb == null)
{
e.Handled = true;//消除不合适字符
return;
}
if (!Char.IsNumber(e.KeyChar) && !Char.IsPunctuation(e.KeyChar) && !Char.IsControl(e.KeyChar))
{
e.Handled = true;//消除不合适字符
}
else if (Char.IsPunctuation(e.KeyChar))
{
if (e.KeyChar != '.' || tb.Text.Length == )//小数点
{
e.Handled = true;
}
if (tb.Text.LastIndexOf('.') != -)
{
e.Handled = true;
}
}
}
//只能输入整数
public static void Number_KeyPress(object sender, KeyPressEventArgs e)
{
if (e.KeyChar != '\b')//这是允许输入退格键
{
if ((e.KeyChar < '') || (e.KeyChar > ''))//这是允许输入0-9数字
{
e.Handled = true;
}
}
}
//DataGridView 编辑项输入
public static void DataGridView_Edit_Value(object sender, KeyPressEventArgs e)
{
DataGridViewTextBoxEditingControl control = (DataGridViewTextBoxEditingControl)sender;
if (!Char.IsNumber(e.KeyChar) && !Char.IsPunctuation(e.KeyChar) && !Char.IsControl(e.KeyChar))
{
e.Handled = true;//消除不合适字符
}
else if (Char.IsPunctuation(e.KeyChar))
{
if (e.KeyChar != '.' || control.Text.Length == )//小数点
{
e.Handled = true;
}
if (control.Text.LastIndexOf('.') != -)
{
e.Handled = true;
}
}
}
#endregion