存儲過程: 做的就是 返回最后一次插入的標識列 id值

create proc pa2@id int output as insert into a(name) values('5') set @id=@@identity .csharpcode, .csharpcode pre { font-size: small; color: rgba(0, 0, 0, 1); font-family: consolas, "Courier New", courier, monospace; background-color: rgba(255, 255, 255, 1) } .csharpcode pre { margin: 0 } .csharpcode .rem { color: rgba(0, 128, 0, 1) } .csharpcode .kwrd { color: rgba(0, 0, 255, 1) } .csharpcode .str { color: rgba(0, 96, 128, 1) } .csharpcode .op { color: rgba(0, 0, 192, 1) } .csharpcode .preproc { color: rgba(204, 102, 51, 1) } .csharpcode .asp { background-color: rgba(255, 255, 0, 1) } .csharpcode .html { color: rgba(128, 0, 0, 1) } .csharpcode .attr { color: rgba(255, 0, 0, 1) } .csharpcode .alt { background-color: rgba(244, 244, 244, 1); width: 100%; margin: 0 } .csharpcode .lnum { color: rgba(96, 96, 96, 1) }

表: id 是標識列 ,

后臺代碼:?

string cons = ConfigurationManager.ConnectionStrings["ApplicationServices"].ToString();using (SqlConnection con=new SqlConnection(cons)){if (con.State==ConnectionState.Closed){con.Open();}SqlCommand cmd = new SqlCommand();cmd.Connection = con;cmd.CommandType = CommandType.StoredProcedure;cmd.CommandText = "pa2";cmd.Parameters.Add(new SqlParameter("@id",DbType.Int32));cmd.Parameters["@id"].Direction = ParameterDirection.Output;cmd.ExecuteNonQuery();con.Close();Response.Write(cmd.Parameters["@id"].Value.ToString());} .csharpcode, .csharpcode pre { font-size: small; color: rgba(0, 0, 0, 1); font-family: consolas, "Courier New", courier, monospace; background-color: rgba(255, 255, 255, 1) } .csharpcode pre { margin: 0 } .csharpcode .rem { color: rgba(0, 128, 0, 1) } .csharpcode .kwrd { color: rgba(0, 0, 255, 1) } .csharpcode .str { color: rgba(0, 96, 128, 1) } .csharpcode .op { color: rgba(0, 0, 192, 1) } .csharpcode .preproc { color: rgba(204, 102, 51, 1) } .csharpcode .asp { background-color: rgba(255, 255, 0, 1) } .csharpcode .html { color: rgba(128, 0, 0, 1) } .csharpcode .attr { color: rgba(255, 0, 0, 1) } .csharpcode .alt { background-color: rgba(244, 244, 244, 1); width: 100%; margin: 0 } .csharpcode .lnum { color: rgba(96, 96, 96, 1) }

效果:

總結

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