本文整理汇总了C#中Srvtools.InfoCommand.ExecuteScalar方法的典型用法代码示例。如果您正苦于以下问题：C# InfoCommand.ExecuteScalar方法的具体用法？C# InfoCommand.ExecuteScalar怎么用？C# InfoCommand.ExecuteScalar使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Srvtools.InfoCommand的用法示例。
在下文中一共展示了InfoCommand.ExecuteScalar方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: GetTableNames
public object GetTableNames(object[] parames)
{
ClientType ct = ClientType.ctMsSql;
IDbConnection nwindConn = AllocateConnection(GetClientInfo(ClientInfoType.LoginDB).ToString(), ref ct, false);
try
{
string strSql = "";
if (nwindConn is SqlConnection)
{
strSql = "select @@version as version";
InfoCommand cmd = new InfoCommand(ClientInfo);
cmd.CommandText = strSql;
cmd.Connection = nwindConn;
Object o = cmd.ExecuteScalar();
if (o.ToString().ToLower().IndexOf("microsoft sql server 2005") >= 0)
{
strSql = @"select (
case when b.name != 'dbo' then
case when (Charindex(' ',Rtrim(Ltrim(b.name)),0) > 0) then
'[' + b.[name] + ']'
else
b.[name]
end
+ '.' +
case when (Charindex(' ',Rtrim(Ltrim(a.name)),0) != 0) then
'[' + a.[name] + ']'
else
a.[name]
end
else
case when (Charindex(' ',Rtrim(Ltrim(a.name)),0) != 0) then
'[' + a.[name] + ']'
else
a.[name]
end
end
)as name from sysobjects a,sys.schemas b where a.uid=b.schema_id and a.xtype in ('u','U','v','V') order by a.[name]";
}
else
{
strSql = @"select(
case when (Charindex(' ',Rtrim(Ltrim(name)),0) != 0) then
'[' + [name] + ']'
else
[name]
end
) as name from sysobjects where xtype in ('u','U','v','V') order by [name]";
}
}
else if (nwindConn is OdbcConnection)
strSql = "select * from systables where (tabtype = 'T' or tabtype = 'V') and tabid >= 100 order by tabname";
else if (nwindConn is OracleConnection)
{
return new object[] { 0, GetTableNames(nwindConn.ConnectionString, nwindConn as DbConnection).ToArray() };
//strSql = "SELECT * FROM USER_OBJECTS WHERE OBJECT_TYPE = 'TABLE' OR OBJECT_TYPE = 'VIEW'order by OBJECT_NAME";
}
else if (nwindConn is OleDbConnection)
strSql = "sp_help";
else if (nwindConn.GetType().Name == "MySqlConnection")
strSql = "show tables;";
else if (nwindConn.GetType().Name == "IfxConnection")
strSql = "select * from SYSTABLES where (TABTYPE = 'T' or TABTYPE = 'V') and TABID >= 100 order by TABNAME";
InfoCommand cmd2 = new InfoCommand(ClientInfo);
if (nwindConn is OleDbConnection)
cmd2.CommandType = CommandType.StoredProcedure;
cmd2.CommandText = strSql;
cmd2.Connection = nwindConn;
IDataReader reader = cmd2.ExecuteReader();
List<String> tablesList = new List<string>();
while (reader.Read())
{
if (nwindConn is SqlConnection)
tablesList.Add(reader["name"].ToString());
else if (nwindConn is OdbcConnection)
tablesList.Add(reader["tabname"].ToString());
else if (nwindConn is OracleConnection)
tablesList.Add(reader["OBJECT_NAME"].ToString());
else if (nwindConn is OleDbConnection)
tablesList.Add(reader["NAME"].ToString());
else if (nwindConn.GetType().Name == "MySqlConnection")
tablesList.Add(reader[0].ToString());
else if (nwindConn.GetType().Name == "IfxConnection")
tablesList.Add(reader["tabname"].ToString());
}
reader.Close();
return new object[] { 0, tablesList.ToArray() };
}
finally
{
ReleaseConnection(GetClientInfo(ClientInfoType.LoginDB).ToString(), nwindConn, false);
}
}示例2: SavePersonalSettings
public object[] SavePersonalSettings(object[] objParam)
{
ClientType ct = ClientType.ctMsSql;
IDbConnection conncetion = AllocateConnection(GetClientInfo(ClientInfoType.LoginDB).ToString(), ref ct, true);
string formName = (string)objParam[0];
string compName = (string)objParam[1];
string userId = (string)objParam[2];
string remark = (string)objParam[3];
string propContent = (string)objParam[4];
string sql = string.Format("SELECT COUNT(*) FROM SYS_PERSONAL WHERE FORMNAME='{0}' AND COMPNAME='{1}' AND USERID='{2}'",
formName,
compName,
userId);
InfoCommand cmd = new InfoCommand(ClientInfo);
cmd.Connection = conncetion;
cmd.CommandText = sql;
try
{
int count = (int)cmd.ExecuteScalar();
if (count > 0)
{
sql = string.Format("UPDATE SYS_PERSONAL SET REMARK='{0}',PROPCONTENT='{1}',CREATEDATE='{2}' WHERE FORMNAME='{3}' AND COMPNAME='{4}' AND USERID='{5}'",
remark,
propContent,
DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss"),
formName,
compName,
userId);
}
else
{
sql = string.Format("INSERT INTO SYS_PERSONAL (FORMNAME,COMPNAME,USERID,REMARK,PROPCONTENT,CREATEDATE) VALUES ('{0}','{1}','{2}','{3}','{4}','{5}')",
formName,
compName,
userId,
remark,
propContent,
DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss"));
}
cmd.CommandText = sql;
cmd.ExecuteNonQuery();
return new object[] { 0 };
}
catch (Exception e)
{
return new object[] { 1, e.Message };
}
finally
{
ReleaseConnection(GetClientInfo(ClientInfoType.LoginDB).ToString(), conncetion, true);
}
}示例3: btnOK_Click
private void btnOK_Click(object sender, EventArgs e)
{
string DBName = this.cmbDB.Text;
string DBString = this.cmbDB.SelectedValue.ToString();
string DBType = "";
string itemType = "";
foreach (DataRow dr in table.Rows)
{
if (dr["DBName"].ToString() == DBName)
{
DBType = dr["DBType"].ToString();
break;
}
}
IDbConnection connection = AllocateConnection(DBType, DBString);
InfoCommand cmd = new InfoCommand();
string strSql = "select * from MENUITEMTYPE";
cmd.CommandText = strSql;
cmd.Connection = connection;
connection.Open();
IDataReader dreader = cmd.ExecuteReader();
bool bItemTypeExisted = false;
while (dreader.Read())
{
if (dreader["ITEMNAME"].ToString() == this.itemName)
{
bItemTypeExisted = true;
itemType = dreader["ITEMTYPE"].ToString();
}
}
dreader.Close();
if (!bItemTypeExisted)
{
//Solution原本不存在，新建一个Solution
strSql = "insert into MENUITEMTYPE (ITEMTYPE, ITEMNAME) values ('" + this.itemName + "', '" + this.itemName + "')";
cmd.CommandText = strSql;
cmd.Connection = connection;
cmd.ExecuteNonQuery();
itemType = this.itemName;
}
foreach (string menu in this.menuList)
{
strSql = "select count(*) from MENUTABLE where PACKAGE = '" + menu + "' and MODULETYPE = 'S' and ITEMTYPE = '" + itemType + "'";
cmd.CommandText = strSql;
cmd.Connection = connection;
int count = (int)cmd.ExecuteScalar();
if (count == 0)
{
strSql = "insert into MENUTABLE (MENUID, CAPTION, PACKAGE, MODULETYPE, ITEMTYPE) " +
"values ('" + menu + "id', '" + menu + "', '" + menu + "', 'S', '" + itemType + "')";
cmd.CommandText = strSql;
cmd.Connection = connection;
cmd.ExecuteNonQuery();
}
}
this.Close();
}