vb.net - First-chance exception at 0x761EC42D in foo.exe: Microsoft C++ exception: int at memory location 0x003ED1EC - 


 dim colnames(7) string  dim values(7) object  dim datetime = datetime.now()   colnames(0) = "int1"  colnames(1) = "int2"  colnames(2) = "string1"  colnames(3) = "string2"  colnames(4) = "string3"  colnames(5) = "string4"  colnames(6) = "string5"  colnames(7) = "string6"   values(0) = intvar1  values(1) = intvar2  values(2) = strvar1  values(3) = strvar2  values(4) = strvar3  values(5) = strvar4  values(6) = strvar5  values(7) = strvar6   dim goodtoinsert boolean = true   integer = 0 7      if values(i) = nothing orelse len(values(i)) = 0          goodtoinsert = false      end if  next    if goodtoinsert      accessdatabase.insertintotable("mytable", colnames, values)  end if

this part of code handles gathering data insert access database. 

    public sub insertintotable(byref tablename string, byref columnname() string, byref keyvalue() object)  'columnname , keyvalue need have same number of elements 'be careful when attemping insert value primarykey column may of type cannot manually changed  'insert new data table '   insert {tablename} ([{columnname1}], [{columnname2}], [{columnname3}], ...) values ('{string}', {number}, {boolean}, ...), oledbconnection  dim columnstring string = vbnullstring dim keystring string = vbnullstring  integer = 0 columnname.getupperbound(0)     'build column names part of string     if <> columnname.getupperbound(0)         columnstring = columnstring & "[" & columnname(i) & "], "     else         columnstring = columnstring & "[" & columnname(i) & "]"     end if     'build values part of string     dim tempvalue string = vbnullstring      if keyvalue(i) <> nothing         if keyvalue(i).gettype.tostring = "system.string"             tempvalue = "'" & keyvalue(i) & "'"         else             tempvalue = keyvalue(i)         end if         if <> keyvalue.getupperbound(0)             keystring = keystring & vbnullstring & tempvalue & ", "         else             keystring &= tempvalue         end if     else         debug.print("nothing")         if <> keyvalue.getupperbound(0)             keystring &= ", "         end if     end if next  dim con new oledbconnection dim da new oledbdataadapter dim sql new oledbcommand  con.connectionstring = connection() con.open()  dim commandtext string = "insert " & tablename & " (" & columnstring & ") values (" & keystring & ")"  try     sql.connection = con     sql.commandtext = commandtext     da.insertcommand = sql     da.insertcommand.executenonquery() catch ex exception     debug.print(ex.tostring)  end try  con.close()  end sub

this insertintotable function.

the function runs , inserts data table correctly, in debug output keep noticing error on every call da.insertcommand.executenonquery():

first-chance exception @ 0x761ec42d in 3024 card sorter.exe: microsoft c++ exception: int @ memory location 0x003ed1ec. first-chance exception @ 0x761ec42d in 3024 card sorter.exe: microsoft c++ exception: int @ memory location 0x003ed1ec.

i able use visual studio debugger narrow down executenonquery() being occurs, i'm having trouble understanding means, , how go resolving it. i've attempted changing intvars strings no luck resolving exception, , i'm extremely curious why isn't being caught try...catch.


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