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POFailed to convert parameter value from a String to a Int32 while executing stored procedure
 

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  1. POFailed to convert parameter value from a String to a Int32 while executing stored procedure
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    <p>I have an SQL procedure with these parameters</p> <pre><code>@WorkflowApprovalHistoryId int OUTPUT, @ProjectUid uniqueidentifier, @ProjectId nvarchar(50), @StageUid uniqueidentifier, @Username nvarchar(50), @WasRejected bit, @Cost money, @Work money, @StartDate datetime, @FinishDate datetime, @InsertDate datetime OUTPUT </code></pre> <p>I have checked this <a href="https://stackoverflow.com/questions/10675857/failed-to-convert-parameter-value-from-a-string-to-a-int32">Failed To Convert Parameter Value From A String To A Int32</a> , but it does not helped me because i dont have any input parameter as int.</p> <p>I am Pasting my code here</p> <pre><code>private void LogApproval(Guid prjUId, bool wasRejected) { string projectId = string.Empty; Nullable&lt;Guid&gt; stageUid = null; Nullable&lt;decimal&gt; cost = null; Nullable&lt;decimal&gt; work = null; Nullable&lt;DateTime&gt; startDate = null; Nullable&lt;DateTime&gt; finishDate = null; string stageGuid = string.Empty; //Processing here SqlConnection conn = null; conn = new SqlConnection(getConnectionString()); conn.Open(); SqlCommand cmnd=new SqlCommand(); cmnd.CommandText="ProcedureName"; cmnd.CommandType=CommandType.StoredProcedure; cmnd.Connection=conn; SqlParameter param1=new SqlParameter(); param1=cmnd.Parameters.Add("@WorkflowApprovalHistoryId",SqlDbType.Int); param1.Direction=ParameterDirection.ReturnValue; SqlParameter param2=new SqlParameter(); param2=cmnd.Parameters.Add("@ProjectUid",SqlDbType.UniqueIdentifier);//sharepoint param2.Direction=ParameterDirection.Input; param2.Value = System.Data.SqlTypes.SqlGuid.Parse(prjUId.ToString()); //param2.Value=prjUId; SqlParameter param3=new SqlParameter(); param3=cmnd.Parameters.Add("@ProjectId",SqlDbType.NVarChar); param3.Direction=ParameterDirection.Input; param3.Value=projectId; SqlParameter param4=new SqlParameter(); param4=cmnd.Parameters.Add("@StageUid",SqlDbType.UniqueIdentifier);// PSI param4.Direction=ParameterDirection.Input; param4.Value = System.Data.SqlTypes.SqlGuid.Parse(stageUid.ToString()); //param4.Value=stageUid; SqlParameter param5=new SqlParameter(); param5=cmnd.Parameters.Add("@Username",SqlDbType.NVarChar); //unidentified param5.Direction=ParameterDirection.Input; param1.Value="userName"; SqlParameter param6=new SqlParameter(); param6=cmnd.Parameters.Add("@WasRejected",SqlDbType.Bit);//form status provide as input param6.Direction=ParameterDirection.Input; if (wasRejected == true) param6.Value = 1; else param6.Value = 0; SqlParameter param7=new SqlParameter(); param7=cmnd.Parameters.Add("@Cost",SqlDbType.Money); //PSI param7.Direction=ParameterDirection.Input; param7.Value=cost; SqlParameter param8=new SqlParameter(); param8=cmnd.Parameters.Add("@Work",SqlDbType.Money);//PSI param8.Direction=ParameterDirection.Input; param8.Value=work; SqlParameter param9=new SqlParameter(); param9=cmnd.Parameters.Add("@StartDate",SqlDbType.DateTime);// PSI param9.Direction=ParameterDirection.Input; param9.Value=startDate; SqlParameter param10=new SqlParameter(); param10=cmnd.Parameters.Add("@FinishDate",SqlDbType.DateTime);// PSI param10.Direction=ParameterDirection.Input; param10.Value=finishDate; SqlParameter param11=new SqlParameter(); param11=cmnd.Parameters.Add("@InsertDate",SqlDbType.DateTime); param11.Direction = ParameterDirection.ReturnValue; cmnd.ExecuteNonQuery(); var HistoryID = param1.Value; var InsertDate = param11.Value; } </code></pre> <p>on executing Execute NonQuery it throws Failed to convert parameter value from a String to a Int32</p>
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    1. USCommunity
    1. USMohit Leekha
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    1. This table or related slice is empty.
    1. PO
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    1. COInstead of `param1.Direction=ParameterDirection.ReturnValue` try to use `param1.Direction=ParameterDirection.Output` and check
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      1. POFailed to convert parameter value from a String to a Int32 while executing stored procedure
      1. USV4Vendetta
 

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