vtc.clearMessage

Clears the data in a field.

Syntax

vtc.clearMessage ( columnName, rowIndex );

Example

Data Update Functions

Arguments

name	Comments
columnName	The name of the column.
rowIndex	The row number. The first row has an index of 1.

vtc.clearMessage sets the value of the specified cell to an empty string.

Return Values

Returns zero on success or one of the Error Codes.

Parameterization

All string input arguments can be passed using standard parameterization.

Example

function callback(){
    var name = 'x' + arguments.callee.caller.arguments.callee.caller;
    lr.message( name.match(',(.*)_wrapper')[1] + '\'s callback arg:');
    for(var i=0 ;i<arguments.length; ++i){
        lr.message( 'arg[' + i + '] type: ' + typeof arguments[i] + ' =' + arguments[i]);
    }
}

function Action()
{
    var handle2 = vtc.connect('321.321.321.321', 8889, vtc.VTOPT_KEEP_ALIVE);
    var handle1 = vtc.connect('123.123.123.123', 8888, vtc.VTOPT_KEEP_ALIVE);  
    lr.message('handle1: '+ handle1.handle + ' handle2: ' + handle2.handle);
    
    if(handle2.handle!==0){
        handle2.createColumn('CID_2', callback );  
        handle2.updateMessage('CID_2', 1, 'bbbb', callback );       
    }
    
    if(handle1.handle!==0){
        handle1.createColumn('CID_1', callback );
        handle1.sendMessage('CID_1', '111', callback );
        handle1.sendMessage('CID_1', '2222', callback );
        handle1.updateMessage('CID_1', 1, 'aaaaa', callback );
        handle1.columnSize('CID_1', callback );
        handle1.queryColumn('CID_1', 1, callback );     
        handle1.rotateRow(vtc.VTSEND_SAME_ROW, callback );
        handle1.queryRow(1, callback ); 
        handle1.rotateMessage('CID_1', vtc.VTSEND_SAME_ROW, callback );
        handle1.rotateMessages1('CustomerID,CompanyName', ',', vtc.VTSEND_SAME_ROW, callback );
        handle1.clearColumn('CID_1', callback );        
        handle1.getLastError( callback );
        handle1.disconnect( callback );
    }
    
    if(handle2.handle!==0){
        handle2.disconnect( callback );
    }
}