How I Overcome With This Error The Sqlparameter With Parametername @Nameofschool Is Already Contained By Another Sqlparametercollection

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util.ClearParam()
       util.AddParam("@NameOfSchool", ddlSchName.SelectedItem.Text)
       util.AddParam("@FName", txtF_Name.Text)
       util.AddParam("@MName", txtM_Name.Text)
       util.AddParam("@LName", txtL_Name.Text)
       util.AddParam("@DOB", skdatefc(txtDob.Text))
       util.AddParam("@Gender", ddlGender.SelectedItem.Value)
       util.AddParam("@Catagory", ddlCategory.SelectedItem.Value)
       util.AddParam("@MaritalStatus", ddlMarriedStatus.SelectedItem.Value)
       util.AddParam("@FatherName", txtF_H_Name.Text)
       util.AddParam("@ResidentialAddress", txtC_Add1.Text)
       util.AddParam("@CityR", txtC_City.Text)
       util.AddParam("@StateR", txtC_State.Text)
       util.AddParam("@PhoneR", txtCPhone.Text)
       util.AddParam("@PermanentAddress", txtP_Add1.Text)
       util.AddParam("@CityP", txtP_City.Text)
       util.AddParam("@StateP", txtP_State.Text)
       util.AddParam("@PhoneP", txtPPhone.Text)
       util.AddParam("@EmailID", txtC_Email.Text)
       util.AddParam("@Currentpost", ddlInitialPost.SelectedItem.Value)
       util.AddParam("@CurrentpostingTrade", ddlSubjectToTeach.SelectedItem.Value)
       util.AddParam("@StreamNameAppointment", txtInitialSelOrderNo.Text)
       util.AddParam("@InitialAppointmentNo", txtInitialAppOrderNo.Text)
       util.AddParam("@DateofAppointment", txtInitialAppDate.Text)
       util.AddParam("@QualificationGraduation", ddlH_Qualif.SelectedItem.Value)
       util.AddParam("@GraduationSubject1", ddlSub1.SelectedItem.Value)
       util.AddParam("@GraduationSubject2", ddlSub2.SelectedItem.Value)
       util.AddParam("@GraduationSubject3", ddlSub3.SelectedItem.Value)
       util.AddParam("@OtherSubjectG", txtothersubjectG.Text)
       util.AddParam("@SpecializationG", txtspecial.Text)
       util.AddParam("@QualificationPostGraduation", ddlPG_Qualif.SelectedItem.Value)
       util.AddParam("@PostGraduationSubject1", ddlps1.SelectedItem.Value)
       util.AddParam("@PostGraduationSubject2", ddlps2.SelectedItem.Value)
       util.AddParam("@PostGraduationSubject3", ddlps3.SelectedItem.Value)
       util.AddParam("@OtherSubjectP", txtothersubp.Text)
       util.AddParam("@SpecializationP", txtspp.Text)
       util.AddParam("@Certificatecourse", txtcc.Text)
       util.AddParam("@Diploma", dpldiploma.SelectedItem.Value)
       util.AddParam("@BachlorDgree", dplbachlor.SelectedItem.Value)
       util.AddParam("@ProfessionalQualification", ddlProff_Qualif.SelectedItem.Value)
       util.AddParam("@OtherQualification", txtOthers.Text)
       util.AddParam("@Achievement", txtAchieve.Text)
       util.AddParam("@CurrentSchoolID", txtCurrentSchool.Text)
       util.AddParam("@DOJCurrentSchool", txtCurrentSchoolDate.Text)
       util.AddParam("@Renumeration", txtrenumeration.Text)
       util.AddParam("@IsEmployeeQualified", ddlEmployeeQualified.SelectedItem.Value)
       util.AddParam("@QualificationAcquiredthroughFragmentalcourse", ddlqafragmental.SelectedItem.Value)
       util.AddParam("@FragmentalCourse", txtfragmentalcourse.Text)
       util.AddParam("@PeriodFrom", skdatefc(txtfrom.Text))
       util.AddParam("@PeriodTo", skdatefc(txtto.Text))
       util.AddParam("@SignatoryName", txtSignatoryName.Text)
       util.AddParam("@SignatoryDesignation", txtSignatoryDesignation.Text)
       util.AddOutputParam("@VCID", SqlDbType.Int)

       k = util.executeStoredProc("usptblVocationalTeacher1415")

       If k > 0 Then
           Response.Write("<font color=blue>Record Submitted</font>")

       Else
           Response.Write("<font color=red>Record not Submitted</font>")
       End If

       'Response.Write("<script language=javascript>alert('Record Submitted Successfully');</script>")

   End Sub

Posted 8-Sep-14 0:20am

prashantripathi

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Raul Iloc 9-Sep-14 2:44am

Did you check my solution?

prashantripathi 9-Sep-14 3:14am

yes , problem is other solved its the problem in procedure which i use but thanks for the solution ...

2 solutions

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Wendelius · Answer 1 · 2014-09-08T00:28:00

Solution 1

The util class is probably something that you have created, not a SqlCommand or any other .Net class.

So most likely the util.ClearParam() is not doing what the name suggests or there is some problem in that method.

Posted 8-Sep-14 0:28am

Wendelius

Raul Iloc · Answer 2 · 2014-09-08T00:40:00

1.I do not have your code, but from the error messgaee results that your ClearParam() method does not remove the SQL parameters from the SqlParamterCollection.

2.One quick solution should modify the ClearParam() method of your util class and make shore that it will use SqlParameterCollection.Clear() method.

3.Other solution is to create the SLQ parameter collectio, with AddParam, only for the first iteration, then to reuse it and to change only the values of the parameters (SqlParameter.Value property).