C# insert into database

using(var connection = new SqlConnection("connectionString"))
{
    connection.Open();
    var sql = "INSERT INTO Main(FirstName, SecondName) VALUES(@FirstName, @SecondName)";
    using(var cmd = new SqlCommand(sql, connection))
    {
        cmd.Parameters.AddWithValue("@FirstName", txFirstName.Text);
        cmd.Parameters.AddWithValue("@SecondName", txSecondName.Text);

        cmd.ExecuteNonQuery();
    }
}

Source: stackoverflow.com

Similar codes

4 votes168 views3 answers
Public gameobject unity
C#
0 vote160 views2 answers
C# boundingbox text
C#
1 vote159 views1 answer
Default generic parameter for method in c#
C#
3 votes208 views3 answers
C vs c++ vs c#
C#
0 vote163 views1 answer
Flutter failed asertion
C#
3 votes199 views1 answer
How to convert angle to vector in c#
C#
1 vote254 views2 answers
C# get application root path directory
C#
0 vote180 views1 answer
Sucess messages in c#
C#
0 vote199 views1 answer
C# get enum value by DescriptionAttribute
C#
1 vote161 views1 answer
How to maximize but show taskbar c#
C#