private void lstTables_SelectedIndexChanged(object sender, EventArgs e)
{
//string dbPath = Variables.NewFilePath;
try
{
myDB = dbE.OpenDatabase(Variables.NewFilePath);
}
catch (Exception ex)
{
//MessageBox.Show("Error openning database! \n" +
// "File path: " + dbPath + "\n" + ex,
// "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
errorMsgDB(ex.ToString());
return;
}
//show tables fields
if (lstTables.SelectedIndices.Count <= 0)
{
return;
}
int intselectedindex = lstTables.SelectedIndices[0];
if (intselectedindex < 0)
{
return;
}
string tblName = lstTables.Text;
gridTblFld.Rows.Clear();
int i = 0;
//show table info
try
{
TableDef myTable = myDB.TableDefs[tblName];
foreach (Field fldExtItem in ((Fields)myTable.Fields))
{
gridTblFld.Rows.Add(1);
gridTblFld.Rows[i].Cells[0].Value = fldExtItem.Name.ToString();
gridTblFld.Rows[i].Cells[1].Value = TableField.decodeFldType(fldExtItem.Type);
gridTblFld.Rows[i].Cells[2].Value = fldExtItem.Size.ToString();
i++;
}
}
catch (Exception ex)
{
//MessageBox.Show("Error reading database! \n" +
// "File path: " + Variables.NewFilePath + "\n" + ex,
// "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
errorMsgDB(ex.ToString());
return;
}
}
private void lstViewOpenTbl_SelectedIndexChanged(object sender, EventArgs e)
{
if (lstViewOpenTbl.SelectedIndices.Count <= 0)
{
return;
}
int intselectedindex = lstViewOpenTbl.SelectedIndices[0];
if (intselectedindex < 0)
{
return;
}
string tblName = lstViewOpenTbl.Items[intselectedindex].Text;
gridOpenTblView.Rows.Clear();
int i = 0;
//show table info
try
{
TableDef myTable = myDB.TableDefs[tblName];
foreach (Field fldExtItem in ((Fields)myTable.Fields))
{
gridOpenTblView.Rows.Add(1);
gridOpenTblView.Rows[i].Cells[0].Value = fldExtItem.Name.ToString();
gridOpenTblView.Rows[i].Cells[1].Value = TableField.decodeFldType(fldExtItem.Type);
gridOpenTblView.Rows[i].Cells[2].Value = fldExtItem.Size.ToString();
i++;
}
}
catch (Exception ex)
{
MessageBox.Show("Error reading database! \n" + ex);
return;
}
}
private void btnClose_Click(object sender, EventArgs e) //save and close
{
//saveTable button pressed - lets check the new table name and proceed:
bool isTableNameUniqe = true;
bool isFldCreated = false;
newTableName = txtTblName.Text.Trim();
if (!Validator.isValidName(newTableName))
{
txtTblName.Focus();
return;
}
//verify if any fields existing:
if (fliItemList.Count == 0)
{
MessageBox.Show("There is not fields in this new table found!" +
"\nSorry we can not create a table with no fields!" +
"\nPlease add a field or Cancel creation process!", "Warning new Table",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
//Table name verification if existing
try
{
foreach (TableDef myTable in myDB.TableDefs)
{
if (myTable.Attributes == 0)
{
if (myTable.Name.ToUpper() == newTableName.ToUpper())
{
MessageBox.Show("Can\'t create the new table! " +
"\nTable : " + myTable.Name + "\nAlready existing!");
gridFields.Rows.Clear();
int i = 0;
foreach (Field fldExtItem in ((Fields)myTable.Fields))
{
gridFields.Rows.Add(1);
gridFields.Rows[i].Cells[0].Value = fldExtItem.Name.ToString();
gridFields.Rows[i].Cells[1].Value = TableField.decodeFldType(fldExtItem.Type);
gridFields.Rows[i].Cells[2].Value = fldExtItem.Size.ToString();
i++;
}
isTableNameUniqe = false;
Variables.NewTableName = "";
grpNewTblCreate.Enabled = false;
}
}
}
if (isTableNameUniqe)
{
Variables.NewTableName = newTableName;
//creating table object
myTb = myDB.CreateTableDef(newTableName);
foreach (TableField field in fliItemList)
{
isFldCreated = createTblField(field); //create field
}
myDB.TableDefs.Append(myTb); //adding table to the DataBase
grpNewTblCreate.Enabled = true;
}
}
catch (Exception ex)
{
MessageBox.Show("Error reading database! \n" + ex);
return;
}
myDB.Close();
this.Close();
}
private void getTableStructure(string dbPath)
{
string message = "";
dbe = new DBEngine();
try
{
myDB = dbe.OpenDatabase(dbPath);
}
catch (Exception ex)
{
MessageBox.Show("Error openning database! \n" + ex.Message
+ "\n" + ex.HResult.ToString());
try
{
myDB.Close();
}
catch (Exception exx)
{
MessageBox.Show("Error openning database! \n" + exx.Message
+ "\n" + exx.HResult.ToString());
}
this.Close();
return;
}
message = message + ("Database Name: " + myDB.Name);
try
{
foreach (TableDef myTable in myDB.TableDefs)
{
if (myTable.Attributes == 0)
{
lstDBStruc.Items.Add("Table : " + myTable.Name);
foreach (Field fldExtItem in ((Fields)myTable.Fields))
{
lstDBStruc.Items.Add("\t-Field: " + fldExtItem.Name +
"\tsize: " + fldExtItem.Size + "\ttype: " +
TableField.decodeFldType(fldExtItem.Type));
}
//DisplayNameAttribute all the indexes (the fields that are indexed)
foreach (Index idxItem in myTable.Indexes)
{
lstDBStruc.Items.Add("\t\t-Index: " + idxItem.Name);
foreach (Field fldItem in ((IndexFields)idxItem.Fields))
{
lstDBStruc.Items.Add("\t\t\t-IndexedField: " + (fldItem.Name));
}
}
}
}
}
catch (Exception ex)
{
MessageBox.Show("Error reading database! \n" + ex);
return;
}
try //Reading DB relations schemas
{
foreach (Relation myRel in myDB.Relations)
{
if (myRel.Attributes == 0)
{
lstDBStruc.Items.Add("Relation: " + myRel.Name);
lstDBStruc.Items.Add("\t- Primary Table: " + myRel.Table);
lstDBStruc.Items.Add("\t- Foreign Table: " + myRel.ForeignTable);
foreach (Field myFl in myRel.Fields)
{
lstDBStruc.Items.Add("\t\t- Primary Field: " + myFl.Name);
lstDBStruc.Items.Add("\t\t- Foreign Field: " + myFl.ForeignName);
}
}
}
}
catch (Exception ex)
{
MessageBox.Show("Error reading database relations! \n" + ex);
return;
}
}
