插入列表 表(Insert List to table)

我有这个方法来插入新的公司数据库，但我有问题List<Contacts> ，因为我希望能够插入用于公司的多个联系人。 可能有人帮助我吗？

public static bool AddNewCompany(Company company,List<Contacts> contact , Location local)
{
    // get a configured DbCommand object
    DbCommand comm = GenericDataAccess.CreateCommand();

    // Set the stored procedure name 
    comm.CommandText = "AddNewCompany";

    //create new parameter @CompanyName
    DbParameter param = comm.CreateParameter();
    param.ParameterName = "@CompanyName";
    param.Value = company.CompanyName;
    param.DbType = DbType.StringFixedLength;
    comm.Parameters.Add(param);

    //create new parameter @CompanyDetail 
    param = comm.CreateParameter();
    param.ParameterName = "@CompanyDetail";
    param.Value = company.CompanyDetail;
    param.DbType = DbType.StringFixedLength;
    comm.Parameters.Add(param);

    //create new parameter @ModifiedDate
    param = comm.CreateParameter();
    param.ParameterName = "@ModifiedDate";
    param.Value = DateTime.Now;
    param.DbType = DbType.DateTime;
    comm.Parameters.Add(param);

    //Company Info
    foreach (var c in contact)
    {
        //create new parameter @LabelContactTypeID
        param = comm.CreateParameter();
        param.ParameterName = "@LabelContactTypeID";
        param.Value = c.LabelContactTypeID;
        param.DbType = DbType.StringFixedLength;
        comm.Parameters.Add(param);

        //create new parameter @ContactDetails
        param = comm.CreateParameter();
        param.ParameterName = "@ContactDetails";
        param.Value = c.ContactDetail;
        param.DbType = DbType.StringFixedLength;
        comm.Parameters.Add(param);

        //create new parameter @Status
        param = comm.CreateParameter();
        param.ParameterName = "@Status";
        param.Value = c.Status;
        param.DbType = DbType.StringFixedLength;
        comm.Parameters.Add(param);

        //create new parameter @Notes
        param = comm.CreateParameter();
        param.ParameterName = "@Notes";
        param.Value = c.Notes;
        param.DbType = DbType.StringFixedLength;
        comm.Parameters.Add(param);
    }




    //Company Info
    //create new parameter @Address
    param = comm.CreateParameter();
    param.ParameterName = "@Address";
    param.Value = local.Address;
    param.DbType = DbType.StringFixedLength;
    comm.Parameters.Add(param);

    //create new parameter @City
    param = comm.CreateParameter();
    param.ParameterName = "@City";
    param.Value = local.City;
    param.DbType = DbType.StringFixedLength;
    comm.Parameters.Add(param);

    //create new parameter @Province
    param = comm.CreateParameter();
    param.ParameterName = "@Province";
    param.Value = local.Province;
    param.DbType = DbType.StringFixedLength;
    comm.Parameters.Add(param);

    //create new parameter @PostalCode
    param = comm.CreateParameter();
    param.ParameterName = "@PostalCode";
    param.Value = local.PostalCode;
    param.DbType = DbType.StringFixedLength;
    comm.Parameters.Add(param);

    //create new parameter @Note
    param = comm.CreateParameter();
    param.ParameterName = "@Note";
    param.Value = local.Note;
    param.DbType = DbType.StringFixedLength;
    comm.Parameters.Add(param);

    //create new parameter @ModifiedDateLocation  
    param = comm.CreateParameter();
    param.ParameterName = "@ModifiedDateLocation";
    param.Value = DateTime.Now;
    param.DbType = DbType.StringFixedLength;
    comm.Parameters.Add(param);


    try
    {
        return (GenericDataAccess.ExecuteNonQuery(comm) != -1);

    }
    catch
    {
        return false;
    }
}

SQL Server存储过程：

ALTER PROCEDURE [dbo].[AddNewCompany]
    @CompanyName nvarchar(50),
    @CompanyDetail nvarchar(max),
    @ModifiedDate datetime,
    --ContactInfo
    @LabelContactTypeID  int,
    @ContactDetails nvarchar(MAX),
    @Status bit,
    @Notes nvarchar(MAX),
    -- Company Location 
    @Address nvarchar(max),
    @City nvarchar(50),
    @Province nvarchar(50),
    @PostalCode nvarchar(10),
    @Note nvarchar(max),
    @ModifiedDateLocation datetime
AS
BEGIN
    SET NOCOUNT ON;

    INSERT INTO [TaskManagementSystem_DB].[dbo].[Company] ([companyName],[companyDetail], [modifiedDate])
     VALUES (@CompanyName, @CompanyDetail, @ModifiedDate)

    DECLARE @CompanyID int 
    SET @CompanyID = SCOPE_IDENTITY();

    INSERT INTO [TaskManagementSystem_DB].[dbo].[Company_Contacts] ([companyID], [labelContactTypeID], [contactDetails], [status], [notes])
    VALUES (@CompanyID, @LabelContactTypeID, @ContactDetails, @Status, @Notes)

    INSERT INTO [TaskManagementSystem_DB].[dbo].[Location]([address], [city], [province], [postalCode], [note], [modifiedDate])
    VALUES (@Address, @City, @Province, @PostalCode, @Note, @ModifiedDateLocation)          

    DECLARE @LocationID  INT 
    SET @LocationID = SCOPE_IDENTITY(); 

    INSERT INTO [TaskManagementSystem_DB].[dbo].[Company_location]([companyID], [locationID])
    VALUES (@CompanyID, @LocationID)            
END

Answer 1:

你的存储过程将只有一个公司接触。 如果你想添加其他联系人（或更多的人），写将插入使用CompanyID从上个公司插入数据库中的新联系人的过程。

我不能给你写的代码，因为我不知道该表并不能复制的结果，但你应该从这个代码创建另一个程序

INSERT INTO [TaskManagementSystem_DB].[dbo].[Company_Contacts]
           ([companyID] 

           ,[labelContactTypeID]
           ,[contactDetails]
           ,[status]
           ,[notes])
     VALUES
           (@CompanyID 
           ,@LabelContactTypeID
           ,@ContactDetails
           ,@Status
           ,@Notes)

在第一部分中只需添加从列表中一个接触（即在索引0在列表中的第一个）

读取已刚插入，并在列表中相互接触，使用这个ID调用你的新程序的公司的CompanyID。 这将增加被引用到使用相同companyID（参考身份一对多）公司新的联系。

编辑你应该做这样的事情：

public static bool AddNewCompany(Company company,List<Contacts> contact , Location local)
{
    // get a configured DbCommand object
    DbCommand comm = GenericDataAccess.CreateCommand();
//Set the store Proc name 
comm.CommandText = "AddNewCompany";


//create new parameter @CompanyName
DbParameter param = comm.CreateParameter();
param.ParameterName = "@CompanyName";
param.Value = company.CompanyName;
param.DbType = DbType.StringFixedLength;
comm.Parameters.Add(param);

//create new parameter @CompanyDetail 
param = comm.CreateParameter();
param.ParameterName = "@CompanyDetail";
param.Value = company.CompanyDetail;
param.DbType = DbType.StringFixedLength;
comm.Parameters.Add(param);

//create new parameter @ModifiedDate
param = comm.CreateParameter();
param.ParameterName = "@ModifiedDate";
param.Value = DateTime.Now;
param.DbType = DbType.DateTime;
comm.Parameters.Add(param);

    //Company Info
//add only one contact
    /create new parameter @LabelContactTypeID
        param = comm.CreateParameter();
        param.ParameterName = "@LabelContactTypeID";
        param.Value = contact[0].LabelContactTypeID;
        param.DbType = DbType.StringFixedLength;
        comm.Parameters.Add(param);

    //create new parameter @ContactDetails
    param = comm.CreateParameter();
    param.ParameterName = "@ContactDetails";
    param.Value = contact[0].ContactDetail;
    param.DbType = DbType.StringFixedLength;
    comm.Parameters.Add(param);

    //create new parameter @Status
    param = comm.CreateParameter();
    param.ParameterName = "@Status";
    param.Value = contact[0].Status;
    param.DbType = DbType.StringFixedLength;
    comm.Parameters.Add(param);

    //create new parameter @Notes
    param = comm.CreateParameter();
    param.ParameterName = "@Notes";
    param.Value = contact[0].Notes;
    param.DbType = DbType.StringFixedLength;
    comm.Parameters.Add(param);


//Company Info
//create new parameter @Address
param = comm.CreateParameter();
param.ParameterName = "@Address";
param.Value = local.Address;
param.DbType = DbType.StringFixedLength;
comm.Parameters.Add(param);

//create new parameter @City
param = comm.CreateParameter();
param.ParameterName = "@City";
param.Value = local.City;
param.DbType = DbType.StringFixedLength;
comm.Parameters.Add(param);

//create new parameter @Province
param = comm.CreateParameter();
param.ParameterName = "@Province";
param.Value = local.Province;
param.DbType = DbType.StringFixedLength;
comm.Parameters.Add(param);

//create new parameter @PostalCode
param = comm.CreateParameter();
param.ParameterName = "@PostalCode";
param.Value = local.PostalCode;
param.DbType = DbType.StringFixedLength;
comm.Parameters.Add(param);

//create new parameter @Note
param = comm.CreateParameter();
param.ParameterName = "@Note";
param.Value = local.Note;
param.DbType = DbType.StringFixedLength;
comm.Parameters.Add(param);

//create new parameter @ModifiedDateLocation  
param = comm.CreateParameter();
param.ParameterName = "@ModifiedDateLocation";
param.Value = DateTime.Now;
param.DbType = DbType.StringFixedLength;
comm.Parameters.Add(param);


try
{
    return (GenericDataAccess.ExecuteNonQuery(comm) != -1);

}
catch
{
    return false;
}

}

创建使用增加了我粘贴在这里的程序的一部分的新联系人的新方法和插入所有其他联系人。 PAS这种方法的companyID。

Answer 2:

移动接触上述公司的一部分。

把这个接触环

GenericDataAccess.ExecuteNonQuery(comm);

它增加了一些逻辑来检查任何故障。
如果你想继续，或立即返回它是由你。

public static bool AddNewCompany(Company company,List<Contacts> contact , Location local)
{
    // get a configured DbCommand object
    DbCommand comm = GenericDataAccess.CreateCommand();


    //Set the store Proc name 
    comm.CommandText = "AddNewCompany";



    //create new parameter @CompanyName
    DbParameter param = comm.CreateParameter();
    param.ParameterName = "@CompanyName";
    param.Value = company.CompanyName;
    param.DbType = DbType.StringFixedLength;
    comm.Parameters.Add(param);

    //create new parameter @CompanyDetail 
    param = comm.CreateParameter();
    param.ParameterName = "@CompanyDetail";
    param.Value = company.CompanyDetail;
    param.DbType = DbType.StringFixedLength;
    comm.Parameters.Add(param);

    //create new parameter @ModifiedDate
    param = comm.CreateParameter();
    param.ParameterName = "@ModifiedDate";
    param.Value = DateTime.Now;
    param.DbType = DbType.DateTime;
    comm.Parameters.Add(param);

    //Company Info
    //create new parameter @Address
    param = comm.CreateParameter();
    param.ParameterName = "@Address";
    param.Value = local.Address;
    param.DbType = DbType.StringFixedLength;
    comm.Parameters.Add(param);

    //create new parameter @City
    param = comm.CreateParameter();
    param.ParameterName = "@City";
    param.Value = local.City;
    param.DbType = DbType.StringFixedLength;
    comm.Parameters.Add(param);

    //create new parameter @Province
    param = comm.CreateParameter();
    param.ParameterName = "@Province";
    param.Value = local.Province;
    param.DbType = DbType.StringFixedLength;
    comm.Parameters.Add(param);

    //create new parameter @PostalCode
    param = comm.CreateParameter();
    param.ParameterName = "@PostalCode";
    param.Value = local.PostalCode;
    param.DbType = DbType.StringFixedLength;
    comm.Parameters.Add(param);

    //create new parameter @Note
    param = comm.CreateParameter();
    param.ParameterName = "@Note";
    param.Value = local.Note;
    param.DbType = DbType.StringFixedLength;
    comm.Parameters.Add(param);

    //create new parameter @ModifiedDateLocation  
    param = comm.CreateParameter();
    param.ParameterName = "@ModifiedDateLocation";
    param.Value = DateTime.Now;
    param.DbType = DbType.StringFixedLength;
    comm.Parameters.Add(param);

    // need to split up the SP to add the company here 
    // execute company SP here
    // and get back the companyID
    // can just clear out the parameters and reuse it
    comm.Parameters.Clear();

    //and you can just define the parameters once
    //create new parameter @LabelContactTypeID
    paramTypeID = comm.CreateParameter();
    paramTypeID.ParameterName = "@LabelContactTypeID";       
    paramTypeID.DbType = DbType.StringFixedLength;
    comm.Parameters.Add(paramTypeID);

    //Company Info
    foreach (var c in contact)
    {
        //create new parameter @LabelContactTypeID
        paramTypeID.Value = c.LabelContactTypeID;

        //create new parameter @ContactDetails
        param = comm.CreateParameter();
        param.ParameterName = "@ContactDetails";
        param.Value = c.ContactDetail;
        param.DbType = DbType.StringFixedLength;
        comm.Parameters.Add(param);

        //create new parameter @Status
        param = comm.CreateParameter();
        param.ParameterName = "@Status";
        param.Value = c.Status;
        param.DbType = DbType.StringFixedLength;
        comm.Parameters.Add(param);

        //create new parameter @Notes
        param = comm.CreateParameter();
        param.ParameterName = "@Notes";
        param.Value = c.Notes;
        param.DbType = DbType.StringFixedLength;
        comm.Parameters.Add(param);

        try
        {
             if (GenericDataAccess.ExecuteNonQuery(comm) == -1) return false;
             // this syntax is not what I am used to
             // i useally just comm.ExecuteNonQuer();
        }
        catch
        {
            return false;
        }
    }
    return true;    
}

文章来源: Insert List to table