值得学习的nonquery（）代码

C# code

   
   
   
   

    
    
    
    
    public
    
    
    
     
    
    
    
    int
    
    
    
     Execute(
    
    
    
    string
    
    
    
     strCommandText, List
    
    
    
    <
    
    
    
    object
    
    
    
    []
    
    
    
    >
    
    
    
     paraList, CommandType type) { 
    
    
    
    using
    
    
    
     (SqlConnection conn 
    
    
    
    =
    
    
    
     
    
    
    
    new
    
    
    
     SqlConnection(strConnectionString)) { conn.Open(); SqlCommand cmd 
    
    
    
    =
    
    
    
     conn.CreateCommand(); cmd.CommandText 
    
    
    
    =
    
    
    
     strCommandText; cmd.CommandType 
    
    
    
    =
    
    
    
     type; 
    
    
    
    if
    
    
    
     (paraList 
    
    
    
    !=
    
    
    
     
    
    
    
    null
    
    
    
     
    
    
    
    &&
    
    
    
     paraList.Count 
    
    
    
    >
    
    
    
     
    
    
    
    0
    
    
    
    ) { 
    
    
    
    for
    
    
    
     (
    
    
    
    int
    
    
    
     i 
    
    
    
    =
    
    
    
     
    
    
    
    0
    
    
    
    ; i 
    
    
    
    <
    
    
    
     paraList.Count; i
    
    
    
    ++
    
    
    
    ) { SqlParameter para 
    
    
    
    =
    
    
    
     cmd.CreateParameter(); para.ParameterName 
    
    
    
    =
    
    
    
     (
    
    
    
    string
    
    
    
    )paraList[i][
    
    
    
    0
    
    
    
    ]; para.Value 
    
    
    
    =
    
    
    
     paraList[i][
    
    
    
    1
    
    
    
    ]; cmd.Parameters.Add(para); } } 
    
    
    
    return
    
    
    
     cmd.ExecuteNonQuery(); } }