例如:
public string[] AutoCust_Item_No(string item_No)
{
string sql = "SELECT top 1 [Cust_Item_No] FROM [SO_detail]where [Cust_Item_No]like '%'+RTrim(@item_No)+'%'";
SqlParameter[] Parameter= new SqlParameter[1];
Parameter[0] = new SqlParameter("@item_No", SqlDbType.VarChar, 50);
Parameter[0].Value = item_No.Trim();
DataTable rs = SqlHelper.ExecuteDataTable(SqlHelper.CONN_STR, CommandType.Text, sql,parameter);
}
Like 变量查询时注意,在变量上加上格式化字符,如:where [Cust_Item_No]like '%'+RTrim(@item_No)+'%'";