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();

Source: stackoverflow.com

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

Source: c-sharpcorner.com

Similar codes

5 votes207 views1 answer
Oracle get foreign keys on table
SQL
1 vote207 views1 answer
Mysql select if empty result
SQL
0 vote204 views1 answer
Mysql add comment to column
SQL
6 votes249 views2 answers
Mysql convert timestamp to date
SQL
0 vote268 views1 answer
Mysql get longest string in column
SQL
1 vote203 views1 answer
Find a column in all tables postgres
SQL
0 vote203 views1 answer
How to put is null in where in clause
SQL
2 votes198 views1 answer
Oracle list grants on procedure
SQL
0 vote167 views1 answer
Postgresql add leading zeros
SQL
1 vote203 views1 answer
Add current timestamp in mysql
SQL