سلام خدمت کاربران وب سایت پروگرم 98 😉 در این پست کد فیلتر DataTableCollection در سی شارپ #C را آماده کردم. انشاالله که این آموزش برای شما مفید باشد.
کد فیلتر DataTableCollection در سی شارپ #C :
using System;
using System.Data;
using System.Data.SqlClient;
class MainClass
{
static void Main(string[] args)
{
string connString = @"server = .\sqlexpress;integrated security = true;database = northwind";
string sql1 = @"select * from customers";
string sql2 = @"select * from products where unitprice < 10";
string sql = sql1 + sql2;
SqlConnection conn = new SqlConnection(connString);
try
{
SqlDataAdapter da = new SqlDataAdapter();
da.SelectCommand = new SqlCommand(sql, conn);
DataSet ds = new DataSet();
da.Fill(ds, "customers");
DataTableCollection dtc = ds.Tables;
Console.WriteLine("CompanyName".PadRight(20) +"ContactName".PadLeft(23) + "\n");
string fl = "country = 'Germany'";
string srt = "companyname asc";
foreach (DataRow row in dtc["customers"].Select(fl, srt))
{
Console.WriteLine("{0}\t{1}",
row["CompanyName"].ToString().PadRight(25),
row["ContactName"]);
}
Console.WriteLine("ProductName".PadRight(20) +"UnitPrice".PadLeft(21));
foreach (DataRow row in dtc[1].Rows)
{
Console.WriteLine("{0}\t{1}",
using System.Data;
using System.Data.SqlClient;
class MainClass
{
static void Main(string[] args)
{
string connString = @"server = .\sqlexpress;integrated security = true;database = northwind";
string sql1 = @"select * from customers";
string sql2 = @"select * from products where unitprice < 10";
string sql = sql1 + sql2;
SqlConnection conn = new SqlConnection(connString);
try
{
SqlDataAdapter da = new SqlDataAdapter();
da.SelectCommand = new SqlCommand(sql, conn);
DataSet ds = new DataSet();
da.Fill(ds, "customers");
DataTableCollection dtc = ds.Tables;
Console.WriteLine("CompanyName".PadRight(20) +"ContactName".PadLeft(23) + "\n");
string fl = "country = 'Germany'";
string srt = "companyname asc";
foreach (DataRow row in dtc["customers"].Select(fl, srt))
{
Console.WriteLine("{0}\t{1}",
row["CompanyName"].ToString().PadRight(25),
row["ContactName"]);
}
Console.WriteLine("ProductName".PadRight(20) +"UnitPrice".PadLeft(21));
foreach (DataRow row in dtc[1].Rows)
{
Console.WriteLine("{0}\t{1}",