为过程或函数 Pro_T_AddSendDoc_ADD 指定了过多的参数。

public class ASDL
{
public ASDL() { }
public int ASD_ID;
public string ASD_SendID;
public int ASD_LsNum;
public string ASD_LsNumber;
public string ASD_JbUserID;
public string ASD_JbUserName;
public string ASD_Date;
public string ASD_UserID;
public string ASD_UserName;
public string ASD_DT_ID;
public string ASD_YDSC;
public string ASD_Name;
public string ASD_Unit;
public string ASD_Secrecy;
public string ASD_Number;
public string ASD_State;
public string ASD_Content;
public string ASD_NodeNum;
public string ASD_NextNodeNum;
public bool ASD_Stop;
public string ASD_OA_ID;
public string ASD_EndDate;

}

public class AddSendDocLib : DbPublic
{
    public AddSendDocLib()
        : base()
    {

    }
    public static int Add(ASDL model)
    {
        SqlParameter[] parameters = {
                new SqlParameter("@ASD_ID", SqlDbType.Int,4),
                new SqlParameter("@ASD_SendID", SqlDbType.VarChar,50),
                new SqlParameter("@ASD_LsNum", SqlDbType.Int,4),
                new SqlParameter("@ASD_LsNumber", SqlDbType.VarChar,100),
                new SqlParameter("@ASD_JbUserID", SqlDbType.VarChar,1000),
                new SqlParameter("@ASD_JbUserName", SqlDbType.VarChar,1000),
                new SqlParameter("@ASD_Date", SqlDbType.DateTime),
                new SqlParameter("@ASD_UserID", SqlDbType.VarChar,50),
                new SqlParameter("@ASD_UserName", SqlDbType.VarChar,50),
                new SqlParameter("@ASD_DT_ID", SqlDbType.VarChar,50),
                new SqlParameter("@ASD_Content", SqlDbType.NText),
                new SqlParameter("@ASD_YDSC", SqlDbType.VarChar,50),
                new SqlParameter("@ASD_Name", SqlDbType.VarChar,500),
                new SqlParameter("@ASD_Unit", SqlDbType.VarChar,50),
                new SqlParameter("@ASD_Secrecy", SqlDbType.VarChar,50),
                new SqlParameter("@ASD_Number", SqlDbType.VarChar,50),
                new SqlParameter("@ASD_State", SqlDbType.VarChar,20),
                new SqlParameter("@ASD_NodeNum", SqlDbType.VarChar,50),
                new SqlParameter("@ASD_NextNodeNum", SqlDbType.VarChar,50),
                new SqlParameter("@ASD_Stop", SqlDbType.Bit,1),
                new SqlParameter("@ASD_OA_ID", SqlDbType.VarChar,50),
                new SqlParameter("@ASD_EndDate", SqlDbType.DateTime)};
        parameters[0].Direction = ParameterDirection.Output;
        parameters[1].Value = model.ASD_SendID;
        parameters[2].Value = model.ASD_LsNum;
        parameters[3].Value = model.ASD_LsNumber;
        parameters[4].Value = model.ASD_JbUserID;
        parameters[5].Value = model.ASD_JbUserName;
        parameters[6].Value = model.ASD_Date;
        parameters[7].Value = model.ASD_UserID;
        parameters[8].Value = model.ASD_UserName;
        parameters[9].Value = model.ASD_DT_ID;
        parameters[10].Value = model.ASD_YDSC;
        parameters[11].Value = model.ASD_Name;
        parameters[12].Value = model.ASD_Unit;
        parameters[13].Value = model.ASD_Secrecy;
        parameters[14].Value = model.ASD_Number;
        parameters[15].Value = model.ASD_State;
        parameters[16].Value = model.ASD_Content;
        parameters[17].Value = model.ASD_NodeNum;
        parameters[18].Value = model.ASD_NextNodeNum;
        parameters[19].Value = model.ASD_Stop;
        parameters[20].Value = model.ASD_OA_ID;

        if (model.ASD_EndDate == "")
        {
            parameters[21].Value = DBNull.Value;
        }
        else
        {
            parameters[21].Value = model.ASD_EndDate;
        }
        RunProcedure("Pro_T_AddSendDoc_ADD", parameters);
        return (int)parameters[0].Value;

https://blog.csdn.net/flyaim/article/details/5587998