datagridview

yoitsarun — Mon, 20 Feb 2023 20:21:35 GMT

hi, loading data working fine. but updating attribute is not working. can anyone help me.

private void button2_Click(object sender, EventArgs e) { OpenFileDialog dlg = new OpenFileDialog(); dlg.Filter = "AutoCAD Drawing (*.dwg)|*.dwg"; if (dlg.ShowDialog() == DialogResult.OK) { // Open the selected drawing DocumentCollection acDocMgr = Application.DocumentManager; acDoc = acDocMgr.Open(dlg.FileName, false); acDb = acDoc.Database; // Load the attribute values into the DataGridView LoadAttributeValues(); } } private void LoadAttributeValues() { layouts = new List<Layout>(); //List<Layout> layouts = new List<Layout>(); using (acTrans = acDb.TransactionManager.StartTransaction()) { // Get the layout dictionary DBDictionary layoutDict = acTrans.GetObject(acDb.LayoutDictionaryId, OpenMode.ForRead) as DBDictionary; // Iterate through each layout and add it to the list foreach (DBDictionaryEntry entry in layoutDict) { Layout layout = acTrans.GetObject(entry.Value, OpenMode.ForWrite) as Layout; layouts.Add(layout); } acTrans.Commit(); } // Load the attribute values into the DataGridView DataTable dataTable = new DataTable(); dataTable.Columns.Add("Layout"); dataTable.Columns.Add("Tag"); dataTable.Columns.Add("Value"); foreach (Layout layout in layouts) { using (acTrans = acDb.TransactionManager.StartTransaction()) { BlockTableRecord acBlkTblRec = acTrans.GetObject(layout.BlockTableRecordId, OpenMode.ForRead) as BlockTableRecord; foreach (ObjectId acObjId in acBlkTblRec) { Entity entity = acTrans.GetObject(acObjId, OpenMode.ForRead) as Entity; if (entity is BlockReference) { BlockReference blockRef = entity as BlockReference; foreach (ObjectId attId in blockRef.AttributeCollection) { AttributeReference attRef = acTrans.GetObject(attId, OpenMode.ForRead) as AttributeReference; if (attRef != null) { DataRow row = dataTable.NewRow(); row["Layout"] = layout.LayoutName; row["Tag"] = attRef.Tag; row["Value"] = attRef.TextString; dataTable.Rows.Add(row); } } } } acTrans.Commit(); } } dataGridView1.DataSource = dataTable; } private void button1_Click(object sender, EventArgs e) { var doc = Application.DocumentManager.MdiActiveDocument; var ed = doc.Editor; var db = doc.Database; using (var tr = db.TransactionManager.StartTransaction()) { foreach (var li in _layouts) { if (li.AttributeValue != dataGridView1.CurrentRow.Cells[2].Value.ToString()) { var blockTable = tr.GetObject(db.BlockTableId, OpenMode.ForRead) as BlockTable; var layoutName = li.LayoutName; if (layoutName == "*ModelSpace*") { var blockTableRecord = tr.GetObject(blockTable[BlockTableRecord.ModelSpace], OpenMode.ForRead) as BlockTableRecord; foreach (ObjectId objId in blockTableRecord) { var ent = tr.GetObject(objId, OpenMode.ForWrite) as Entity; var attDef = ent as AttributeDefinition; if (attDef != null && attDef.Tag == li.BlockName) { attDef.UpgradeOpen(); attDef.TextString = dataGridView1.CurrentRow.Cells[2].Value.ToString(); attDef.DowngradeOpen(); } } } else { var layout = tr.GetObject(blockTable[layoutName], OpenMode.ForWrite) as Layout; var blkTblRecId = layout.BlockTableRecordId; var blkTblRec = tr.GetObject(blkTblRecId, OpenMode.ForWrite) as BlockTableRecord; foreach (ObjectId objId in blkTblRec) { var blkRef = tr.GetObject(objId, OpenMode.ForWrite) as BlockReference; if (blkRef != null && blkRef.Name == li.BlockName) { foreach (ObjectId attId in blkRef.AttributeCollection) { var attRef = tr.GetObject(attId, OpenMode.ForWrite) as AttributeReference; if (attRef != null && attRef.Tag == li.BlockName) { attRef.UpgradeOpen(); attRef.TextString = dataGridView1.CurrentRow.Cells[2].Value.ToString(); attRef.DowngradeOpen(); } } } } } } } tr.Commit(); } ed.Regen(); }

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