Error: The SqlParameter is already contained by another SqlParameterCollection .

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C#

foreach (var item in BranchContactList)
                    {
                        var varInsertBranchContactResult = db.Database.ExecuteSqlCommand("TempspInsertBranchContact @BranchID,@FirstName,@LastName,@Designation,@Department,@PhoneNo1,@PhoneNo2,@MobileNo1,@MobileNo1,@EmailAddress1,@EmailAddress2,@CreatedBy,@CreatedUser,@BranchContactIDOut OUT",
                        new SqlParameter("BranchID", BranchID),
                        new SqlParameter("FirstName", item.FirstName.ToString()),
                        new SqlParameter("LastName", item.LastName.ToString()),
                        new SqlParameter("Designation", item.Designation.ToString()),
                        new SqlParameter("Department", item.Department.ToString()),
                        new SqlParameter("PhoneNo1", item.PhoneNo1.ToString()),
                        new SqlParameter("PhoneNo2", item.PhoneNo2.ToString()),
                        new SqlParameter("MobileNo1", item.MobileNo1.ToString()),
                        new SqlParameter("MobileNo2", item.MobileNo2.ToString()),
                        new SqlParameter("EmailAddress1", item.EmailAddress1.ToString()),
                        new SqlParameter("EmailAddress2", item.EmailAddress2.ToString()),
                        new SqlParameter("CreatedBy", UserID),
                        new SqlParameter("CreatedUser", User), outParamBranchContactID).ToString().ToList();
                        var BranchContactID = (int)outParamBranchContactID.Value;

                      

                    }

How to solve this problem in this particular scenario.

I know cmd.Parameters.Clear() is an option but i cant use it in this scenario.

Note : foreach runs for 3 times. Once successfully. For 2nd time it throws an error :

C#

Error: The SqlParameter is already contained by another SqlParameterCollection

.
.

Posted 15-Jan-16 21:06pm

Abrar Kazi

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Wendelius · Accepted Answer · 2016-01-15T21:22:00

Solution 1

Most likely it's your OUT parameter outParamBranchContactID. You don't define a new parameter for this execution. Instead you use a predefined parameter which may already have been associated with another command.

Try creating a new parameter and use it in the call.

Posted 15-Jan-16 21:22pm

Wendelius

Comments

Abrar Kazi 16-Jan-16 4:10am

Yes you were right. I tried removing the outParamBranchContactID n it worked fine. Thank you so much Mika you saved me a lot of time.

Wendelius 16-Jan-16 4:18am

You're most welcome :)

Abrar Kazi 16-Jan-16 7:01am

Could you please look into this i am very much stuck into it.

http://www.codeproject.com/Questions/1072174/How-to-notify-Onsuccess-in-Ajax-BeginForm-as-false

bahman.01 22-Nov-17 0:49am

I don't have a SqlParameterCollection. It is only one SqlParameter that by each calling the method, a new instance is created of SqlParameter but I counter with this message. What should I do?