combox失去焦点的时候,怎么判断combox的Text值在combox的下拉列表中是否存在?
private void GetCmbDateKBNValue()
{
DataTable m_dtSetDate = new DataTable();
m_dtSetDate.Columns.Add("CODE");
m_dtSetDate.Columns.Add("NAME");
m_dtSetDate.Rows.Add();
m_dtSetDate.Rows[0]["CODE"] = "0";
m_dtSetDate.Rows[0]["NAME"] = "0 当日";
m_dtSetDate.Rows.Add();
m_dtSetDate.Rows[1]["CODE"] = "1";
m_dtSetDate.Rows[1]["NAME"] = "1 前営業日";
m_dtSetDate.Rows.Add();
m_dtSetDate.Rows[2]["CODE"] = "2";
m_dtSetDate.Rows[2]["NAME"] = "2 前々営業日";
m_dtSetDate.Rows.Add();
m_dtSetDate.Rows[3]["CODE"] = "3";
m_dtSetDate.Rows[3]["NAME"] = "3 営業3日前";
m_dtSetDate.Rows.Add();
m_dtSetDate.Rows[4]["CODE"] = "4";
m_dtSetDate.Rows[4]["NAME"] = "4 営業4日前";
m_dtSetDate.Rows.Add();
m_dtSetDate.Rows[5]["CODE"] = "5";
m_dtSetDate.Rows[5]["NAME"] = "5 営業5日前";
m_dtSetDate.Rows.Add();
m_dtSetDate.Rows[6]["CODE"] = "6";
m_dtSetDate.Rows[6]["NAME"] = "6 営業6日前";
m_dtSetDate.Rows.Add();
m_dtSetDate.Rows[7]["CODE"] = "7";
m_dtSetDate.Rows[7]["NAME"] = "7 営業7日前";
cmbDateKBN.DataSource = m_dtSetDate;
cmbDateKBN.DisplayMember = "NAME";
cmbDateKBN .ValueMember = "CODE";
cmbDateKBN .SelectedValue = "0";
}
这是combox下来列表的值,请问我怎么判断我往combox中输入一个值,判断它是否在这个列表中呢。
如果不存在,弹对话框提示。