DataTableCommon类主要是帮助取值
方法列表：
public static string GetCellString(DataTable dt,int row, int column)
public static string GetCellString(DataTable dt,int row, string columnName)
public static int GetCellInt(DataTable dt, int row, int column)
public static int GetCellInt(DataTable dt, int row, string columnName)
public static decimal GetCellDecimal(DataTable dt, int row, int column)
public static decimal GetCellDecimal(DataTable dt, int row,string columnName)
public class DataTableComon { #region DataTable 取值 public static string GetCellString(DataTable dt, int row, int column) { string strValue = string.Empty; try { if (dt == null || dt.Rows.Count == 0) return null; object objValue = dt.Rows[row][column]; if (objValue == null || Convert.IsDBNull(objValue)) return null; strValue = objValue.ToString(); } catch (Exception) { } return strValue; } public static string GetCellString(DataTable dt, int row, string columnName) { string strValue = string.Empty; try { if (dataRow == null || dataRow.Rows.Count == 0) return null; object objValue = dataRow.Rows[row][columnName]; if (objValue == null || Convert.IsDBNull(objValue)) return null; strValue = objValue.ToString(); } catch (Exception) { } return strValue; } public static int GetCellInt(DataTable dt, int row, int column) { int intValue = 0; try { if (dt == null || dt.Rows.Count == 0) return 0; object objValue = dt.Rows[row][column]; if (objValue == null || Convert.IsDBNull(objValue)) return 0; intValue = Convert.ToInt32(objValue); } catch (Exception) { } return intValue; } public static int GetCellInt(DataTable dt, int row, string columnName) { int intValue = 0; try { if (dt == null || dt.Rows.Count == 0) return 0; object objValue = dt.Rows[row][columnName]; if (objValue == null || Convert.IsDBNull(objValue)) return 0; intValue = Convert.ToInt32(objValue); } catch (Exception) { } return intValue; } public static decimal GetCellDecimal(DataTable dt, int row, int column) { decimal intValue = 0; try { if (dt == null || dt.Rows.Count == 0) return 0; object objValue = dt.Rows[row][column]; if (objValue == null || Convert.IsDBNull(objValue)) return 0; intValue = Convert.ToDecimal(objValue); } catch (Exception) { } return intValue; } public static decimal GetCellDecimal(DataTable dt, int row, string columnName) { decimal intValue = 0; try { if (dt == null || dt.Rows.Count == 0) return 0; object objValue = dt.Rows[row][columnName]; if (objValue == null || Convert.IsDBNull(objValue)) return 0; intValue = Convert.ToDecimal(objValue); } catch (Exception) { } return intValue; } #endregion #region DataRow 取值 public static string GetCellString(DataRow dataRow, int column) { string strValue = string.Empty; try { if (dataRow == null) return null; object objValue = dataRow[column]; if (objValue == null || Convert.IsDBNull(objValue)) return null; strValue = objValue.ToString(); } catch (Exception) { } return strValue; } public static string GetCellString(DataRow dataRow,string columnName) { string strValue = string.Empty; try { if (dataRow == null) return null; object objValue = dataRow[columnName]; if (objValue == null || Convert.IsDBNull(objValue)) return null; strValue = objValue.ToString(); } catch (Exception) { } return strValue; } public static int GetCellInt(DataRow dataRow, int column) { int intValue = 0; try { if (dataRow == null ) return 0; object objValue = dataRow[column]; if (objValue == null || Convert.IsDBNull(objValue)) return 0; intValue = Convert.ToInt32(objValue); } catch (Exception) { } return intValue; } public static int GetCellInt(DataRow dataRow, string columnName) { int intValue = 0; try { if (dataRow == null) return 0; object objValue = dataRow[columnName]; if (objValue == null || Convert.IsDBNull(objValue)) return 0; intValue = Convert.ToInt32(objValue); } catch (Exception) { } return intValue; } public static decimal GetCellDecimal(DataRow dataRow,int column) { decimal intValue = 0; try { if (dataRow == null ) return 0; object objValue = dataRow[column]; if (objValue == null || Convert.IsDBNull(objValue)) return 0; intValue = Convert.ToDecimal(objValue); } catch (Exception) { } return intValue; } public static decimal GetCellDecimal(DataRow dataRow, string columnName) { decimal intValue = 0; try { if (dataRow == null) return 0; object objValue = dataRow[columnName]; if (objValue == null || Convert.IsDBNull(objValue)) return 0; intValue = Convert.ToDecimal(objValue); } catch (Exception) { } return intValue; } #endregion }