Answer / ajrun

Dim Query
Query="insert into TableName(username)values('" &
txt_username.text & "')"
Dim cmd as sqlclient.sqlcommand=new
sqlclient.sqlcommand(Query,connection)
cmd.ExecuteNonquery()

Answer / vishnu

System.Data.SqlClient.SqlConnection sqlConnection1 =
new System.Data.SqlClient.SqlConnection("YOUR CONNECTION
STRING");

System.Data.SqlClient.SqlCommand cmd = new
System.Data.SqlClient.SqlCommand();
cmd.CommandType = System.Data.CommandType.Text;
cmd.CommandText = "INSERT Region (RegionID,
RegionDescription) VALUES (5, 'NorthWestern')";
cmd.Connection = sqlConnection1;

sqlConnection1.Open();
cmd.ExecuteNonQuery();
sqlConnection1.Close();

Answer / venky

string cns=@"server=.\SQLEXPRESS;Database=emp;Integrated Security=SSPI";

cn=new SqlConnection(cns);

string sql = "select * from mytable";
DataSet ds = new DataSet();
SqlDataAdapter adpt=new SqlDataAdapter(sql,cn);

adpt.Fill(ds,"emp1");

.....after altering table....

sqlcommandbuilder cbdr=new sqlcommandbuilder(adpt);

adpt.Update(ds,"emp1");

your changes automaically save into databases...

Answer / y.gangi reddy

SqlConnection cn = new SqlConnection("user id=sa;pwd=xxx;database=yyy;data source=.");
SqlDataAdapter da = new SqlDataAdapter("select * from tablename", cn);
DataSet ds = new DataSet();
da.Fill(ds, "tablename");

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