/// <summary>执行
/// 执行
/// </summary>
/// <param name="sender">sender</param>
/// <param name="e">e</param>
private void btnRun_Click(object sender, EventArgs e)
{
if (CheckInput())
{
return;
}
if (CheckDesignTable() == false)
{
return;
}
DataTable dtSource = (grdTable.DataSource as DataTable);
if (dtSource == null)
{
return;
}
DataTable dtChanges = dtSource.GetChanges();
if (dtChanges == null)
{
return;
}
try
{
if (IsNew)
{
//第一次执行生成表名
string strSqlAddTable = AddTableScript(m_databaseSchema).Replace("GO", "");
m_dbHelper.CreateCommand(strSqlAddTable + " ; SELECT 'OK'");
DataTable dtResult = m_dbHelper.ExecuteQuery();
if (dtResult != null && dtResult.Rows.Count != 1)
{
MessageBox.Show("新建失败");
return;
}
else
{
m_sda.Update(dtChanges);
dtSource.AcceptChanges();
m_strTableName = txtTableName.Text.Trim();
//切换成编辑模式
IsNew = false;
DatabaseTable databaseTable = m_databaseSchema.Tables.Where(t => t.Name == m_strTableName).FirstOrDefault();
TreeNode tableRoot = TreeViewHelper.FindTableNode(GlobalHelp.TreeView.Nodes, m_strServer, m_strDbName, "表");
if (tableRoot != null)
{
//及时刷新TreeView
SchemaToTreeview.FillOneTable(databaseTable, tableRoot, 2);
}
MessageBox.Show("新建成功！");
}
}
}
catch (Exception)
{
throw;
}
}
private void grdTable_CellEndEdit(object sender, DataGridViewCellEventArgs e)
{
if (grdTable.Rows[e.RowIndex].Cells[colColumnName.Name].Value == null)
{
return;
}
if (IsNew)
{
return;
}
DataTable dtSource = (grdTable.DataSource as DataTable);
if (dtSource == null)
{
return;
}
DataTable dtChanges = dtSource.GetChanges();
if (dtChanges == null)
{
return;
}
if (CheckDesignTable() == false)
{
return;
}
try
{
StringBuilder sb = new StringBuilder();
bool blnFlag = false;
foreach (DataRow dr in dtChanges.Rows)
{
#region 修改列
if (dr.RowState == DataRowState.Modified)
{
DatabaseColumn originalColumn = grdTable.Rows[e.RowIndex].Tag as DatabaseColumn;
if (originalColumn != null)
{
DatabaseColumn databaseColumn = GenDatabaseColumn(grdTable.Rows[e.RowIndex], originalColumn.Table);
//修改类名
if (databaseColumn.Name != originalColumn.Name)
{
sb.AppendLine(m_sqlTasks.RenameColumn(originalColumn.Table, databaseColumn, originalColumn));
}
if (databaseColumn.DbDataType.ToLower() != originalColumn.DbDataType.ToLower())
{
//修改类型、默认值等
sb.AppendLine(m_sqlTasks.AlterColumn(originalColumn.Table, databaseColumn, originalColumn));
}
//修改主键
if (originalColumn.IsPrimaryKey != databaseColumn.IsPrimaryKey)
{
if (originalColumn.IsPrimaryKey)
{
//删除主键
sb.AppendLine(" ALTER TABLE " + databaseColumn.Table.Name + " DROP CONSTRAINT " + databaseColumn.Table.Name + " ;");
}
else
{
sb.AppendLine(" ALTER TABLE " + databaseColumn.Table.Name + " ALTER COLUMN " + databaseColumn.Name + " " + databaseColumn.DbDataType + " NOT NULL ;");
sb.AppendLine(" ALTER TABLE " + databaseColumn.Table.Name + " ADD CONSTRAINT PK_" + databaseColumn.Table.Name + " PRIMARY KEY(" + databaseColumn.Name + ") ;");
}
}
//修改自增长
if (originalColumn.IsAutoNumber != databaseColumn.IsAutoNumber)
{
if (originalColumn.IsAutoNumber)
{
//删除自增长
sb.AppendLine(" ALTER TABLE " + databaseColumn.Table.Name + " ADD " + databaseColumn.Name + "1" + databaseColumn.DbDataType);
sb.AppendLine(" UPDATE " + databaseColumn.Table.Name + " SET " + databaseColumn.Name + "1= " + databaseColumn.Name);
sb.AppendLine(" ALTER TABLE " + databaseColumn.Table.Name + " DROP COLUMN " + databaseColumn.Name);
sb.AppendLine(" EXEC sp_rename '" + databaseColumn.Name + "1','" + databaseColumn.Name + "', 'COLUMN'");
}
else
{
sb.AppendLine(" ALTER TABLE " + databaseColumn.Table.Name + " DROP COLUMN " + databaseColumn.Name);
sb.AppendLine(" ALTER TABLE " + databaseColumn.Table.Name + " ADD " + databaseColumn.Name + " " + databaseColumn.DbDataType + " IDENTITY(1,1) NOT NULL");
}
}
if (sb.ToString() != string.Empty)
{
string strSql = sb.AppendLine(" ; SELECT 'OK'").ToString();
blnFlag = RunSql(DataRowState.Modified, strSql, dtSource, grdTable.Rows[e.RowIndex], databaseColumn);
if (blnFlag)
{
grdTable.Rows[e.RowIndex].Tag = databaseColumn;
originalColumn.Table.Columns.Add(databaseColumn);
DatabaseTable databaseTable = m_databaseSchema.Tables.Where(t => t.Name == m_strTableName).FirstOrDefault();
TreeNode tableRoot = TreeViewHelper.FindTableNode(GlobalHelp.TreeView.Nodes, m_strServer, m_strDbName, "表");
if (tableRoot != null && tableRoot.Nodes.Count > 0)
{
TreeNode treeNode = TreeViewHelper.FindNodeByName(tableRoot.Nodes, m_strTableName);
if (treeNode != null)
{
TreeNode nodeColumn = TreeViewHelper.FindColumnNodeByName(treeNode.Nodes, originalColumn.Name);
int intIndex = nodeColumn.Index;
originalColumn.Table.Columns.Remove(originalColumn);
SchemaToTreeview.FillColumn(treeNode, databaseColumn, 3, intIndex);
treeNode.Nodes.Remove(nodeColumn);
}
}
AddLog(dr, "修改列");
}
//重新设置Tag
ResetTag(databaseColumn.Table);
}
}
}
#endregion 修改列
#region 新增列
else if (dr.RowState == DataRowState.Added)
{
DatabaseTable dt = m_databaseSchema.FindTableByName(m_strTableName);
DatabaseColumn databaseColumn = GenDatabaseColumn(grdTable.Rows[e.RowIndex], dt);
var migration = new DdlGeneratorFactory(m_dbType).MigrationGenerator();
string strSql = migration.AddColumn(dt, databaseColumn);
strSql += " ; SELECT 'OK'";
#region 获取要插入的列位置
//int intIndex = 0;
//DatabaseTable databaseTable = m_databaseSchema.Tables.Where(t => t.Name == m_strTableName).FirstOrDefault();
//TreeNode tableRoot = TreeViewHelper.FindTableNode(GlobalHelp.TreeView.Nodes, m_strServer, m_strDbName, "表");
//if (tableRoot != null && tableRoot.Nodes.Count > 0)
//{
// TreeNode treeNode = TreeViewHelper.FindNodeByName(tableRoot.Nodes, m_strTableName);
// if (treeNode != null)
// {
// if (e.RowIndex > 0)
// {
// DatabaseColumn preColumn = grdTable.Rows[e.RowIndex - 1].Tag as DatabaseColumn;
// if (preColumn != null)
// {
// string strNodeName = SchemaToTreeview.GetColumnName(preColumn);
// TreeNode nodeColumn = TreeViewHelper.FindNodeByName(treeNode.Nodes, strNodeName);
// intIndex = nodeColumn.Index;
// }
// }
// }
//}
#endregion 获取要插入的列位置
blnFlag = RunSql(DataRowState.Added, strSql, dtSource, grdTable.Rows[e.RowIndex], databaseColumn);
if (blnFlag)
{
databaseColumn.Table.Columns.Add(databaseColumn);
TreeNode tableRoot = TreeViewHelper.FindTableNode(GlobalHelp.TreeView.Nodes, m_strServer, m_strDbName, "表");
TreeNode treeNode = TreeViewHelper.FindNodeByName(tableRoot.Nodes, m_strTableName);
SchemaToTreeview.FillColumn(treeNode, databaseColumn, 3, e.RowIndex);
AddLog(dr, "新增列");
//重新设置Tag
ResetTag(databaseColumn.Table);
}
}
#endregion 新增列
}
}
catch (Exception)
{
throw;
}
}
