如何在C＃程序中执行存储过程

Question

我想从C＃程序执行此存储过程。

我在SqlServer查询窗口中编写了以下存储过程并将其保存为 stored1：

use master 
go
create procedure dbo.test as

DECLARE @command as varchar(1000), @i int
SET @i = 0
WHILE @i < 5
BEGIN
Print 'I VALUE ' +CONVERT(varchar(20),@i)
EXEC(@command)
SET @i = @i + 1
END

编辑：

using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.SqlClient;
namespace AutomationApp
{
    class Program
    {
        public void RunStoredProc()
        {
            SqlConnection conn = null;
            SqlDataReader rdr  = null;

            Console.WriteLine("\nTop 10 Most Expensive Products:\n");

            try
            {
                conn = new SqlConnection("Server=(local);DataBase=master;Integrated Security=SSPI");
                conn.Open();
                SqlCommand cmd = new SqlCommand("dbo.test", conn);
                cmd.CommandType = CommandType.StoredProcedure;
                rdr = cmd.ExecuteReader();
                /*while (rdr.Read())
                {
                    Console.WriteLine(
                        "Product: {0,-25} Price: ${1,6:####.00}",
                        rdr["TenMostExpensiveProducts"],
                        rdr["UnitPrice"]);
                }*/
            }
            finally
            {
                if (conn != null)
                {
                    conn.Close();
                }
                if (rdr != null)
                {
                    rdr.Close();
                }
            }
        }
        static void Main(string[] args)
        {
            Console.WriteLine("Hello World");
            Program p= new Program();
            p.RunStoredProc();      
            Console.Read();
        }
    }
}

这会显示异常Cannot find the stored procedure dbo.test。我需要提供路径吗？如果是，应该在哪个位置存储存储过程？

Answer 1

using (var conn = new SqlConnection(connectionString))
using (var command = new SqlCommand("ProcedureName", conn) { 
                           CommandType = CommandType.StoredProcedure }) {
   conn.Open();
   command.ExecuteNonQuery();
}

Answer 2

using (SqlConnection conn = new SqlConnection("Server=(local);DataBase=Northwind;Integrated Security=SSPI")) {
    conn.Open();

    // 1.  create a command object identifying the stored procedure
    SqlCommand cmd  = new SqlCommand("CustOrderHist", conn);

    // 2. set the command object so it knows to execute a stored procedure
    cmd.CommandType = CommandType.StoredProcedure;

    // 3. add parameter to command, which will be passed to the stored procedure
    cmd.Parameters.Add(new SqlParameter("@CustomerID", custId));

    // execute the command
    using (SqlDataReader rdr = cmd.ExecuteReader()) {
        // iterate through results, printing each to console
        while (rdr.Read())
        {
            Console.WriteLine("Product: {0,-35} Total: {1,2}",rdr["ProductName"],rdr["Total"]);
        }
    }
}

以下是您可以阅读的一些有趣链接：

• http://www.csharp-station.com/Tutorials/AdoDotNet/Lesson07.aspx
• http://www.c-sharpcorner.com/UploadFile/dclark/InsOutsinCS11302005072332AM/InsOutsinCS.aspx
• http://www.codeproject.com/KB/cs/simplecodeasp.aspx
• http://msdn.microsoft.com/en-us/library/ms171921(VS.80).aspx

Answer 3

using (SqlConnection sqlConnection1 = new SqlConnection("Your Connection String")) {
using (SqlCommand cmd = new SqlCommand()) {
  Int32 rowsAffected;

  cmd.CommandText = "StoredProcedureName";
  cmd.CommandType = CommandType.StoredProcedure;
  cmd.Connection = sqlConnection1;

  sqlConnection1.Open();

  rowsAffected = cmd.ExecuteNonQuery();

}}

Answer 4

在C＃中调用存储过程

SqlCommand cmd = new SqlCommand("StoreProcedureName",con);
cmd.CommandType=CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@value",txtValue.Text);
int rowAffected=cmd.ExecuteNonQuery();

Answer 5

SqlConnection conn = null;
SqlDataReader rdr  = null;
conn = new SqlConnection("Server=(local);DataBase=Northwind;Integrated Security=SSPI");
conn.Open();

// 1.  create a command object identifying
//     the stored procedure
SqlCommand cmd  = new SqlCommand("CustOrderHist", conn);

// 2. set the command object so it knows
//    to execute a stored procedure
cmd.CommandType = CommandType.StoredProcedure;

// 3. add parameter to command, which
//    will be passed to the stored procedure
cmd.Parameters.Add(new SqlParameter("@CustomerID", custId));

// execute the command
rdr = cmd.ExecuteReader();

// iterate through results, printing each to console
while (rdr.Read())
{
    Console.WriteLine("Product: {0,-35} Total: {1,2}", rdr["ProductName"], rdr["Total"]);
}

Answer 6

这是通过反射使用和不使用参数执行存储过程的代码。 请注意，对象属性名称需要与存储过程的参数匹配。

int idChecker(int id) {
    return std::any_of(teams.begin(), teams.end()
        [=](const auto& e) { return e.teamId == id; });
}

Answer 7

使用Ado.net

using System;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;

namespace PBDataAccess
{
    public class AddContact
    {   
        // for preparing connection to sql server database   

        private SqlConnection conn; 

        // for preparing sql statement or stored procedure that 
        // we want to execute on database server

        private SqlCommand cmd; 

        // used for storing the result in datatable, basically 
        // dataset is collection of datatable

        private DataSet ds; 

        // datatable just for storing single table

        private DataTable dt; 

        // data adapter we use it to manage the flow of data
        // from sql server to dataset and after fill the data 
        // inside dataset using fill() method   

        private SqlDataAdapter da; 


        // created a method, which will return the dataset

        public DataSet GetAllContactType() 
        {



    // retrieving the connection string from web.config, which will 
    // tell where our database is located and on which database we want
    // to perform opearation, in this case we are working on stored 
    // procedure so you might have created it somewhere in your database. 
    // connection string will include the name of the datasource, your 
    // database name, user name and password.

        using (conn = new SqlConnection(ConfigurationManager.ConnectionString["conn"]
        .ConnectionString)) 

                {
                    // Addcontact is the name of the stored procedure
                    using (cmd = new SqlCommand("Addcontact", conn)) 

                    {
                        cmd.CommandType = CommandType.StoredProcedure;

                    // here we are passing the parameters that 
                    // Addcontact stored procedure expect.
                     cmd.Parameters.Add("@CommandType",
                     SqlDbType.VarChar, 50).Value = "GetAllContactType"; 

                        // here created the instance of SqlDataAdapter
                        // class and passed cmd object in it
                        da = new SqlDataAdapter(cmd); 

                        // created the dataset object
                        ds = new DataSet(); 

                        // fill the dataset and your result will be
                        stored in dataset
                        da.Fill(ds); 
                    }                    
            }  
            return ds;
        }
}

****** Stored Procedure ******

CREATE PROCEDURE Addcontact
@CommandType VARCHAR(MAX) = NULL
AS
BEGIN
  IF (@CommandType = 'GetAllContactType')
  BEGIN
    SELECT * FROM Contacts
  END
END

Answer 8

这是一个存储过程的示例，它返回一个值并在c＃中执行

CREATE PROCEDURE [dbo].[InsertPerson]   
-- Add the parameters for the stored procedure here  
@FirstName nvarchar(50),@LastName nvarchar(50),  
@PersonID int output  
AS  
BEGIN  
    insert [dbo].[Person](LastName,FirstName) Values(@LastName,@FirstName)  

    set @PersonID=SCOPE_IDENTITY()  
END  
Go  


--------------
 // Using stored procedure in adapter to insert new rows and update the identity value.  
   static void InsertPersonInAdapter(String connectionString, String firstName, String lastName) {  
      String commandText = "dbo.InsertPerson";  
      using (SqlConnection conn = new SqlConnection(connectionString)) {  
         SqlDataAdapter mySchool = new SqlDataAdapter("Select PersonID,FirstName,LastName from [dbo].[Person]", conn);  

         mySchool.InsertCommand = new SqlCommand(commandText, conn);  
         mySchool.InsertCommand.CommandType = CommandType.StoredProcedure;  

         mySchool.InsertCommand.Parameters.Add(  
             new SqlParameter("@FirstName", SqlDbType.NVarChar, 50, "FirstName"));  
         mySchool.InsertCommand.Parameters.Add(  
             new SqlParameter("@LastName", SqlDbType.NVarChar, 50, "LastName"));  

         SqlParameter personId = mySchool.InsertCommand.Parameters.Add(new SqlParameter("@PersonID", SqlDbType.Int, 0, "PersonID"));  
         personId.Direction = ParameterDirection.Output;  

         DataTable persons = new DataTable();  
         mySchool.Fill(persons);  

         DataRow newPerson = persons.NewRow();  
         newPerson["FirstName"] = firstName;  
         newPerson["LastName"] = lastName;  
         persons.Rows.Add(newPerson);  

         mySchool.Update(persons);  
         Console.WriteLine("Show all persons:");  
         ShowDataTable(persons, 14); 

Answer 9

使用Dapper。所以我补充了这一点，希望对大家有帮助。

public void Insert(ProductName obj)
        {
            SqlConnection connection = new SqlConnection(Connection.GetConnectionString());
            connection.Open();
            connection.Execute("ProductName_sp", new
            { @Name = obj.Name, @Code = obj.Code, @CategoryId = obj.CategoryId, @CompanyId = obj.CompanyId, @ReorderLebel = obj.ReorderLebel, @logo = obj.logo,@Status=obj.Status, @ProductPrice = obj.ProductPrice,
                @SellingPrice = obj.SellingPrice, @VatPercent = obj.VatPercent, @Description=obj.Description, @ColourId = obj.ColourId, @SizeId = obj.SizeId,
                @BrandId = obj.BrandId, @DisCountPercent = obj.DisCountPercent, @CreateById =obj.CreateById, @StatementType = "Create" }, commandType: CommandType.StoredProcedure);
            connection.Close();
        }

Answer 10

你的意思是你的代码是DDL？ 如果是这样，MSSQL没有区别。上面的例子很好地展示了如何调用它。只需确保

CommandType = CommandType.Text

Answer 11

此处没有Dapper回答。所以我添加了一个

using Dapper;
using System.Data.SqlClient;

using (var cn = new SqlConnection(@"Server=(local);DataBase=master;Integrated Security=SSPI"))
    cn.Execute("dbo.test", commandType: CommandType.StoredProcedure);

Answer 12

最简单直接..

SqlCommand cmd = new SqlCommand("StoreProcedureName",con); // Just like you declared it
cmd.CommandType = CommandType.StoredProcedure; // an attribute related to the object
cmd.Parameters.AddWithValue("@value",txtValue.Text); // Parameter name and text source 
con.Open();
int rowAffected = cmd.ExecuteNonQuery();
con.Close();

Answer 13

请查看Crane（我是作者）

https://www.nuget.org/packages/Crane/

SqlServerAccess sqlAccess = new SqlServerAccess("your connection string");
var result = sqlAccess.Command().ExecuteNonQuery("StoreProcedureName");

还有一些您可能喜欢的其他功能。

Answer 14

我所做的，我想在dataGridView中显示过程的结果：

using (var command = new SqlCommand("ProcedureNameHere", connection) {
            // Set command type and add Parameters
            CommandType = CommandType.StoredProcedure,
            Parameters = { new SqlParameter("@parameterName",parameterValue) }
        }) 
        {
            // Execute command in Adapter and store to dataset
            var adapter = new SqlDataAdapter(command);
            var dataset = new DataSet();
            adapter.Fill(dataset);
            // Display results in DatagridView
            dataGridView1.DataSource = dataset.Tables[0];
        }

Answer 15

using (var command = new SqlCommand("ProcedureNameHere", connection) {
        // Set command type and add Parameters
        CommandType = CommandType.StoredProcedure,
        Parameters = { new SqlParameter("@parameterName",parameterValue) }
    }) 
{
        // Execute command in Adapter and store to dataset
        var adapter = new SqlDataAdapter(command);
        var dataset = new DataSet();
        adapter.Fill(dataset);
        // Display results in DatagridView
        dataGridView1.DataSource = dataset.Tables[0];
}