c# sql select
SqlConnection conn = new SqlConnection("Data Source=;Initial Catalog=;Persist Security Info=True;User ID=;Password=");
conn.Open();
SqlCommand command = new SqlCommand("Select id from [table1] where name=@zip", conn);
command.Parameters.AddWithValue("@zip","india");
// int result = command.ExecuteNonQuery();
using (SqlDataReader reader = command.ExecuteReader())
{
if (reader.Read())
{
Console.WriteLine(String.Format("{0}",reader["id"]));
}
}
conn.Close();c# Select MSSQL
DataSet ds = new DataSet();
//https://www.oracle.com/webfolder/technetwork/tutorials/obe/db/dotnet/ODPNET_Core_get_started/index.html
using (SqlConnection con = new SqlConnection(connectionstr))
{
using (SqlCommand cmd = con.CreateCommand())
{
con.Open();
cmd.CommandText = "select * from master.sys.server_principals";
SqlDataAdapter adapter = new SqlDataAdapter(cmd);
adapter.Fill(ds);
}
}how to use sqlcommand
SqlConnection conn = new SqlConnection("Database=student;Server=.;user=sa;password=aaaaaaa");
conn.Open(); // Open the connection
// body
// body
conn.Close(); // Close the connection Copyright © 2021 Codeinu
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