Hello:
Hopefully someone can help me with table programming. I have a table on my
form that has 11 rows and 2 columns. So the rows are more than will fit on the
screen at any given time. The problem that I'm having is that when I
initialize the table with data I keep getting the following error message:
"field.c, Line:1916, No visible lines to allocate"
Here are the relevant bits from my code:
static Char *cLabels[] = {"Dept","Addr",
"Addr2","City","State","Zip","Ctry","Tel","Fax","E-Mail","Web"};
MemHandle gTextHandles[11];
void initTable(FormType* pForm)
{
TableType *tablePtr;
int i=0,rowsInTable=0;
tablePtr =
(TableType*)FrmGetObjectPtr(pForm,FrmGetObjectIndex(pForm,CT_Table));
rowsInTable = TblGetNumberOfRows(tablePtr);
//Set the column types for the table
for(i=0;i<rowsInTable;i++){
TblSetRowSelectable(tablePtr,i,false);
TblSetItemStyle(tablePtr,i,0,labelTableItem);
TblSetItemPtr(tablePtr,i,0,cLabels[i]);
TblSetItemStyle(tablePtr,i,1,textTableItem);
TblSetRowUsable(tablePtr,i,false);
}
TblSetColumnUsable(tablePtr,0,true);
TblSetColumnUsable(tablePtr,1,true);
TblSetLoadDataProcedure(tablePtr,1,
(TableLoadDataFuncPtr)contactViewGetDescription);
}
static Err contactViewGetDescription (void * table, Int16 row, UInt16 column,
Boolean editable, MemHandle *textHP, UInt16 * textOffset, UInt16 *
textAllocSize,
FieldPtr fld)
{
*textHP = gTextHandles[row];
*textOffset = 0;
*textAllocSize = MemHandleSize(*textHP);
return (0);
}
void populatePage()
{
//This method is called when a record is selected from a drop-down
for(i=0;i<11;i++){
MemHandleFree(gTextHandles[i]);
gTextHandles[i] =
MemHandleNew(StrLen(_currentRecord.fields[i+1])+1);
str = MemHandleLock(gTextHandles[i]);
StrCopy(str,_currentRecord.fields[i+1]);
MemHandleUnlock(gTextHandles[i]);
TblMarkRowInvalid((TableType*)FrmGetObjectPtr(pForm,FrmGetObjectIndex(pForm,CT_Table)),i);
TblSetRowUsable((TableType*)FrmGetObjectPtr(pForm,FrmGetObjectIndex(pForm,CT_Table)),i,true);
}
}
Thanks for your help!
Chris
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