private void Form1_Load(object sender, EventArgs e)
{
MDataRow row = new MDataRow();
row.LoadFrom("{id:1,name:'hello'}");
MDataCell cell = row[0];
StringBuilder sb = new StringBuilder();
sb.AppendLine("ColumnName:" + cell.ColumnName);
sb.AppendLine("Struct.SqlType:" + cell.Struct.SqlType);
sb.AppendLine("IsNull:" + cell.IsNull);
sb.AppendLine("IsNullOrEmpty:" + cell.IsNullOrEmpty);
sb.AppendLine("State:" + cell.State + " (0:不可插入和更新；1：仅可以插入；2：可插入可更新)");
sb.AppendLine("Value:" + cell.Value);
sb.AppendLine("------------");
cell = row[1];
sb.AppendLine("ColumnName:" + cell.ColumnName);
sb.AppendLine("Struct.SqlType:" + cell.Struct.SqlType);
sb.AppendLine("Value:" + cell.Value);
cell.Struct.SqlType = SqlDbType.Int;//修改数据类型
sb.AppendLine("修改结构：Struct.SqlType:" + cell.Struct.SqlType);
sb.Append("FixValue():");
try
{ // AppConfig.Log.IsWriteLog = true;
Exception err;
if (!cell.FixValue(out err)) //修改该值
{
sb.AppendLine(err.Message);
}
}
catch (Exception er)
{
sb.AppendLine(er.Message);
}
sb.AppendLine("修正后Value:" + cell.Value);
rtxtText.Text = sb.ToString();
}
