C#中限制dataGridView单元格内容只能输入数字并且只能输入一个小数点:
private void dataGridViewEx1_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
{
if (this.dataGridViewEx1.CurrentCell.ColumnIndex == this.dataGridViewEx1.Columns[this.ColEstimatePrice.Index].Index || this.dataGridViewEx1.CurrentCell.ColumnIndex == this.dataGridViewEx1.Columns[this.ColPlannedWare.Index].Index || this.dataGridViewEx1.CurrentCell.ColumnIndex == this.da