多条件搜索使用带参数的sql语句
#region 多条件搜索使用带参数的sql语句
StringBuilder sql = new StringBuilder("select * from PhoneNum");
List<string> wheres = new List<string>();
List<SqlParameter> listParameter = new List<SqlParameter>();
if (cboGroup.SelectedIndex != 0)
{
//sql.Append(" and ptypeid=" + cboGroup.Text.Split('|')[0]);
//wheres.Add(" ptypeid=" + cboGroup.Text.Split('|')[0]);
wheres.Add(" ptypeid=@typeid ");
listParameter.Add(new SqlParameter("@typeid", cboGroup.Text.Split('|')[0]));
}
if (txtSearchName.Text.Trim().Length > 0)
{
// sql.Append(" and pname like '%" + txtSearchName.Text.Trim() + "%'");
wheres.Add(" pname like @pname ");
//pname like '%乔%'
//pname liek '%'+@pname+'%'
listParameter.Add(new SqlParameter("@pname", "%" + txtSearchName.Text.Trim() + "%"));
}
if (txtSearchCellPhone.Text.Trim().Length > 0)
{
//sql.Append(" and pcellphone like '%" + txtSearchCellPhone.Text.Trim() + "%'");
//wheres.Add(" pcellphone like '%" + txtSearchCellPhone.Text.Trim() + "%'");
wheres.Add(" pcellphone like @cellphone ");
listParameter.Add(new SqlParameter("@cellphone", "%" + txtSearchCellPhone.Text.Trim() + "%"));
}
//判断用户是否选择了条件
if (wheres.Count > 0)
{
string wh = string.Join(" and ", wheres.ToArray());
sql.Append(" where " + wh);
}
SqlHelper.ExecuteDataTable(sql.ToString(), listParameter.ToArray());
#endregion
MessageBox.Show(sql.ToString());