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1 class SqlHelper 2 { 3 private static string connStr = ConfigurationManager.ConnectionStrings["dbConnStr"].ConnectionString; 4 public static int ExecuteNonQuery(string sq... 阅读全文
posted @ 2017-11-16 20:51
pop1234ggg
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1 2 3 4 5 1 string connStr = ConfigurationManager.ConnectionStrings["dbConnStr"].ConnectionString; 2 using (SqlConnection conn = new SqlConnection(connStr)) 阅读全文
posted @ 2017-11-16 17:27
pop1234ggg
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1 using (SqlConnection conn = new SqlConnection("Data Source=.;Initial Catalog=StudentDB;User ID=sa;Password=123456")) 2 { 3 conn.Open(); 4 ... 阅读全文
posted @ 2017-11-16 11:30
pop1234ggg
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